./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:36:12,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:36:12,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:36:12,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:36:12,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:36:12,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:36:12,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:36:12,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:36:12,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:36:12,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:36:12,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:36:12,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:36:12,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:36:12,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:36:12,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:36:12,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:36:12,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:36:12,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:36:12,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:36:12,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:36:12,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:36:12,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:36:12,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:36:12,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:36:12,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:36:12,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:36:12,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:36:12,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:36:12,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:36:12,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:36:12,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:36:12,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:36:12,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:36:12,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:36:12,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:36:12,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:36:12,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:36:12,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:36:12,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:36:12,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:36:12,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:36:12,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:36:12,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:36:12,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:36:12,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:36:12,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:36:12,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:36:12,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:36:12,943 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:36:12,943 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:36:12,943 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:36:12,943 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:36:12,945 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:36:12,945 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:36:12,946 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:36:12,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:36:12,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:36:12,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:36:12,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:36:12,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:36:12,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:36:12,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:36:12,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:36:12,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:36:12,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:36:12,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:36:12,949 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:36:12,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:36:12,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:36:12,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:36:12,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:36:12,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:36:12,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:36:12,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:36:12,954 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:36:12,955 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_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d [2021-10-28 08:36:13,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:36:13,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:36:13,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:36:13,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:36:13,308 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:36:13,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-10-28 08:36:13,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/data/c81260a71/32e318f88018459a9cf5a2129eb4a864/FLAG41f0c7fe2 [2021-10-28 08:36:14,026 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:36:14,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2021-10-28 08:36:14,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/data/c81260a71/32e318f88018459a9cf5a2129eb4a864/FLAG41f0c7fe2 [2021-10-28 08:36:14,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/data/c81260a71/32e318f88018459a9cf5a2129eb4a864 [2021-10-28 08:36:14,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:36:14,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:36:14,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:14,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:36:14,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:36:14,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70876402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14, skipping insertion in model container [2021-10-28 08:36:14,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:36:14,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:36:14,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:14,750 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:36:14,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:36:14,851 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:36:14,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14 WrapperNode [2021-10-28 08:36:14,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:36:14,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:14,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:36:14,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:36:14,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:36:14,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:36:14,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:36:14,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:36:14,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:36:14,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:36:14,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:36:14,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:36:14,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (1/1) ... [2021-10-28 08:36:14,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:14,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:14,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:36:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:36:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:36:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:36:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:36:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:36:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:36:15,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:36:15,359 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 08:36:15,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:15 BoogieIcfgContainer [2021-10-28 08:36:15,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:36:15,363 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:36:15,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:36:15,368 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:36:15,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:36:15,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:36:14" (1/3) ... [2021-10-28 08:36:15,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76e81da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:36:15, skipping insertion in model container [2021-10-28 08:36:15,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:36:15,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:36:14" (2/3) ... [2021-10-28 08:36:15,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76e81da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:36:15, skipping insertion in model container [2021-10-28 08:36:15,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:36:15,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:36:15" (3/3) ... [2021-10-28 08:36:15,374 INFO L389 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2021-10-28 08:36:15,430 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:36:15,430 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:36:15,431 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:36:15,431 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:36:15,431 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:36:15,431 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:36:15,431 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:36:15,432 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:36:15,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:15,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-28 08:36:15,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:15,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:15,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:36:15,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:36:15,482 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:36:15,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:15,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-28 08:36:15,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:15,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:15,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:36:15,487 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:36:15,495 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 3#L525true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 13#L525-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 9#L530-3true [2021-10-28 08:36:15,509 INFO L793 eck$LassoCheckResult]: Loop: 9#L530-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 6#L530-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 9#L530-3true [2021-10-28 08:36:15,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 08:36:15,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:15,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366346161] [2021-10-28 08:36:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:15,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,700 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:15,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:15,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-28 08:36:15,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:15,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706867719] [2021-10-28 08:36:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:15,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,799 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:15,854 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-28 08:36:15,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:15,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924873196] [2021-10-28 08:36:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:15,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,895 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:15,916 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:16,370 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:36:16,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:36:16,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:36:16,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:36:16,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:36:16,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:16,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:36:16,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:36:16,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2021-10-28 08:36:16,373 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:36:16,373 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:36:16,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:16,806 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:36:16,812 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:36:16,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:16,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:16,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:16,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:16,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:16,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:16,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:16,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:16,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:16,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:16,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:36:16,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:16,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:16,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:16,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:36:16,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:16,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:16,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:16,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:16,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:16,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:16,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:16,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:16,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:16,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:16,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:16,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:16,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:36:17,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,075 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:36:17,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:36:17,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:17,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:17,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:17,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 08:36:17,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:36:17,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,294 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:36:17,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:36:17,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,462 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:36:17,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:17,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:17,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:17,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,535 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:36:17,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,619 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:36:17,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,684 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:36:17,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,779 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:36:17,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:17,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:17,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:17,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:17,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:17,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:36:17,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:17,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:17,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:17,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:17,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:17,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:17,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:17,881 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:36:17,929 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 08:36:17,929 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-28 08:36:17,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:17,939 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:17,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:36:18,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:36:18,034 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:36:18,034 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:36:18,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~array_size~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~array_size~0 Supporting invariants [] [2021-10-28 08:36:18,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:18,084 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 08:36:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:18,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:36:18,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:18,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:36:18,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:18,203 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:36:18,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:18,263 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 62 transitions. Complement of second has 7 states. [2021-10-28 08:36:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:36:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2021-10-28 08:36:18,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 08:36:18,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:18,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 08:36:18,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:18,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 08:36:18,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:18,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 62 transitions. [2021-10-28 08:36:18,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:18,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 20 transitions. [2021-10-28 08:36:18,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 08:36:18,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:36:18,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-28 08:36:18,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:36:18,303 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:36:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-28 08:36:18,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-28 08:36:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-10-28 08:36:18,347 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:36:18,347 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:36:18,347 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:36:18,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-10-28 08:36:18,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:18,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:18,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:18,349 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:36:18,349 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:36:18,350 INFO L791 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 119#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 120#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 128#L530-3 assume !(main_~i~1 < main_~array_size~0); 129#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 126#L515-3 [2021-10-28 08:36:18,350 INFO L793 eck$LassoCheckResult]: Loop: 126#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 127#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 131#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 133#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 132#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 125#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 126#L515-3 [2021-10-28 08:36:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-28 08:36:18,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:18,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076949811] [2021-10-28 08:36:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:18,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:18,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:18,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076949811] [2021-10-28 08:36:18,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076949811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:18,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:18,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:36:18,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783970188] [2021-10-28 08:36:18,425 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:36:18,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2021-10-28 08:36:18,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:18,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665914267] [2021-10-28 08:36:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:18,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,445 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:18,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:36:18,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:36:18,667 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:18,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:18,719 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2021-10-28 08:36:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:36:18,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-10-28 08:36:18,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:18,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2021-10-28 08:36:18,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 08:36:18,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:36:18,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-10-28 08:36:18,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:36:18,728 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-28 08:36:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-10-28 08:36:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-28 08:36:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 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) [2021-10-28 08:36:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-10-28 08:36:18,731 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 08:36:18,731 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 08:36:18,731 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:36:18,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-10-28 08:36:18,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:18,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:18,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:18,743 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:18,744 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:36:18,744 INFO L791 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 160#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 157#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 158#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 166#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 161#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 162#L530-3 assume !(main_~i~1 < main_~array_size~0); 167#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 163#L515-3 [2021-10-28 08:36:18,744 INFO L793 eck$LassoCheckResult]: Loop: 163#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 164#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 169#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 171#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 170#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 165#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 163#L515-3 [2021-10-28 08:36:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-28 08:36:18,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:18,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688887044] [2021-10-28 08:36:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:18,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,773 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2021-10-28 08:36:18,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:18,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435377864] [2021-10-28 08:36:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:18,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,841 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:18,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2021-10-28 08:36:18,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:18,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735839517] [2021-10-28 08:36:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:18,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:18,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:19,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:19,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735839517] [2021-10-28 08:36:19,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735839517] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:19,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166556949] [2021-10-28 08:36:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:19,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:36:19,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:19,041 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:36:19,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-28 08:36:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:19,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:36:19,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:19,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166556949] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:19,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:36:19,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-28 08:36:19,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381968796] [2021-10-28 08:36:19,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:19,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:36:19,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:36:19,421 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 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) [2021-10-28 08:36:19,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:19,520 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-10-28 08:36:19,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:36:19,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-10-28 08:36:19,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:19,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2021-10-28 08:36:19,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 08:36:19,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:36:19,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 08:36:19,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:36:19,524 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 08:36:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 08:36:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 08:36:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-10-28 08:36:19,527 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 08:36:19,527 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 08:36:19,527 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:36:19,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-10-28 08:36:19,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 08:36:19,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:19,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:19,528 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:19,528 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:36:19,533 INFO L791 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 260#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 257#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 258#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 266#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 261#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 262#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 267#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 273#L530-3 assume !(main_~i~1 < main_~array_size~0); 271#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 264#L515-3 [2021-10-28 08:36:19,533 INFO L793 eck$LassoCheckResult]: Loop: 264#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 265#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 269#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 272#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 270#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 263#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 264#L515-3 [2021-10-28 08:36:19,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-10-28 08:36:19,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:19,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597371861] [2021-10-28 08:36:19,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:19,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:19,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2021-10-28 08:36:19,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:19,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120034226] [2021-10-28 08:36:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:19,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2021-10-28 08:36:19,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:19,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211075332] [2021-10-28 08:36:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:19,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,657 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:19,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:20,214 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:36:20,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:36:20,214 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:36:20,214 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:36:20,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:36:20,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:36:20,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:36:20,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2021-10-28 08:36:20,215 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:36:20,215 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:36:20,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:20,744 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:36:20,744 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:36:20,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:20,747 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:20,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:36:20,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:20,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:20,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:20,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:20,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:20,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:20,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:20,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:20,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:20,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:20,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:20,803 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:20,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:20,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:36:20,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:20,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:20,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:20,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:20,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:20,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:20,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:20,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:20,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:20,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:20,845 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:20,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:36:20,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:20,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:20,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:20,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:20,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:20,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:20,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:20,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:20,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:20,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:20,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:20,880 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:20,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:36:20,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:20,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:20,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:20,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:20,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:20,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:20,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:20,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:20,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:20,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:20,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:20,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:20,927 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:36:20,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:20,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:20,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:20,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:20,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:20,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:20,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:20,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,004 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:21,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:21,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:36:21,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,069 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:21,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:21,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:21,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:36:21,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,141 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:21,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 08:36:21,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,206 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:21,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:21,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:21,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:36:21,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,258 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:36:21,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:21,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:21,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,325 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:21,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:21,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:21,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:36:21,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,395 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:21,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:21,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:36:21,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,466 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:21,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:21,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:36:21,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:21,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,530 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:21,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:21,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:21,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:21,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:21,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:36:21,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:21,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:21,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:36:21,613 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 08:36:21,613 INFO L444 ModelExtractionUtils]: 30 out of 40 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 08:36:21,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:21,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:21,618 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:21,628 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:36:21,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:36:21,642 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:36:21,643 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:36:21,643 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~array_size, ULTIMATE.start_insertionSort_~i~0) = 1*ULTIMATE.start_insertionSort_~array_size - 1*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2021-10-28 08:36:21,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,671 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 08:36:21,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:21,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:36:21,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:21,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:36:21,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:21,870 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:36:21,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-28 08:36:21,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:21,882 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 25 states and 31 transitions. Complement of second has 4 states. [2021-10-28 08:36:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 08:36:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-28 08:36:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-10-28 08:36:21,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 08:36:21,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:21,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 08:36:21,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:21,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2021-10-28 08:36:21,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:21,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2021-10-28 08:36:21,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:21,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2021-10-28 08:36:21,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 08:36:21,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 08:36:21,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2021-10-28 08:36:21,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:36:21,888 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-28 08:36:21,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2021-10-28 08:36:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 08:36:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-10-28 08:36:21,891 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 08:36:21,891 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 08:36:21,891 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 08:36:21,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-10-28 08:36:21,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:21,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:21,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:21,893 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:21,893 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:36:21,893 INFO L791 eck$LassoCheckResult]: Stem: 385#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 386#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 383#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 384#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 394#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 387#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 388#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 395#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 404#L530-3 assume !(main_~i~1 < main_~array_size~0); 401#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 389#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 390#L518-6 [2021-10-28 08:36:21,893 INFO L793 eck$LassoCheckResult]: Loop: 390#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 398#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 402#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 396#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 390#L518-6 [2021-10-28 08:36:21,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:21,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2021-10-28 08:36:21,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:21,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923850527] [2021-10-28 08:36:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:21,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,906 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2021-10-28 08:36:21,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:21,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881843403] [2021-10-28 08:36:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:21,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,931 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2021-10-28 08:36:21,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:21,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969210649] [2021-10-28 08:36:21,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:21,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,945 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:21,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:22,435 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:36:22,435 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:36:22,435 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:36:22,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:36:22,436 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:36:22,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:22,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:36:22,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:36:22,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2021-10-28 08:36:22,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:36:22,436 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:36:22,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:22,934 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:36:22,934 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:36:22,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:22,939 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:22,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:22,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:22,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:22,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:22,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:22,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:22,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:22,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:22,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:36:22,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 08:36:23,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,003 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:36:23,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,033 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:36:23,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,091 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:36:23,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,130 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:36:23,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,185 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:36:23,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,252 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:36:23,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,301 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:36:23,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,360 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:36:23,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,426 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 08:36:23,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,497 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,499 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 [2021-10-28 08:36:23,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 08:36:23,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,562 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 08:36:23,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:36:23,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:36:23,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:36:23,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,601 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 08:36:23,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,661 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 08:36:23,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,729 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,734 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 [2021-10-28 08:36:23,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 08:36:23,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,791 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 08:36:23,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:36:23,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:23,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,849 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:36:23,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:36:23,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:36:23,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:36:23,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:36:23,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:36:23,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:36:23,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 08:36:23,921 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:36:23,983 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-28 08:36:23,983 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-10-28 08:36:23,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:23,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:23,985 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:36:23,987 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:36:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 08:36:23,998 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:36:23,998 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:36:23,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2021-10-28 08:36:24,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:24,025 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 08:36:24,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:24,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:36:24,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:24,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:36:24,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:24,181 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:36:24,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:24,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 68 transitions. Complement of second has 9 states. [2021-10-28 08:36:24,215 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 [2021-10-28 08:36:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-28 08:36:24,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2021-10-28 08:36:24,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:24,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 08:36:24,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:24,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2021-10-28 08:36:24,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:36:24,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2021-10-28 08:36:24,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2021-10-28 08:36:24,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 08:36:24,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 08:36:24,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2021-10-28 08:36:24,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:36:24,222 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-28 08:36:24,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2021-10-28 08:36:24,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-10-28 08:36:24,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 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) [2021-10-28 08:36:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-10-28 08:36:24,226 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-28 08:36:24,226 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-28 08:36:24,226 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 08:36:24,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-10-28 08:36:24,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:24,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:24,228 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:24,228 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:36:24,229 INFO L791 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 550#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 547#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 548#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 561#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 551#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 552#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 562#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 571#L530-3 assume !(main_~i~1 < main_~array_size~0); 568#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 555#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 556#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 574#L518-1 assume !insertionSort_#t~short6; 567#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 565#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 553#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 554#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 557#L518-6 [2021-10-28 08:36:24,229 INFO L793 eck$LassoCheckResult]: Loop: 557#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 563#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 566#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 559#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 557#L518-6 [2021-10-28 08:36:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2021-10-28 08:36:24,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781735822] [2021-10-28 08:36:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 08:36:24,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:24,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781735822] [2021-10-28 08:36:24,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781735822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:36:24,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:36:24,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:36:24,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559853686] [2021-10-28 08:36:24,266 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:36:24,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2021-10-28 08:36:24,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874726389] [2021-10-28 08:36:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,272 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:24,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:36:24,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:36:24,370 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:24,424 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-28 08:36:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:36:24,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-28 08:36:24,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-28 08:36:24,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 08:36:24,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 08:36:24,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-28 08:36:24,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:36:24,427 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-28 08:36:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-28 08:36:24,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2021-10-28 08:36:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-10-28 08:36:24,435 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 08:36:24,436 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 08:36:24,436 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 08:36:24,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-10-28 08:36:24,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:24,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:24,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:24,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:36:24,442 INFO L791 eck$LassoCheckResult]: Stem: 628#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 629#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 626#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 627#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 638#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 639#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 640#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 630#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 631#L530-3 assume !(main_~i~1 < main_~array_size~0); 648#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 632#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 633#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 646#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 650#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 647#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 637#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 634#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 635#L518-6 [2021-10-28 08:36:24,442 INFO L793 eck$LassoCheckResult]: Loop: 635#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 644#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 649#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 641#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 635#L518-6 [2021-10-28 08:36:24,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,443 INFO L85 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2021-10-28 08:36:24,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166759110] [2021-10-28 08:36:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:36:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:24,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:36:24,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166759110] [2021-10-28 08:36:24,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166759110] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:24,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046742222] [2021-10-28 08:36:24,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 08:36:24,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:36:24,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:36:24,527 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:36:24,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-10-28 08:36:24,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-28 08:36:24,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:36:24,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 08:36:24,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:36:24,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:36:24,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046742222] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:36:24,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:36:24,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-28 08:36:24,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036148444] [2021-10-28 08:36:24,761 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:36:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,761 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2021-10-28 08:36:24,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901521705] [2021-10-28 08:36:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:24,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:36:24,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 08:36:24,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:36:24,876 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:36:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:36:24,944 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2021-10-28 08:36:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:36:24,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2021-10-28 08:36:24,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2021-10-28 08:36:24,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 08:36:24,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 08:36:24,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2021-10-28 08:36:24,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:36:24,947 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-28 08:36:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2021-10-28 08:36:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-28 08:36:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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) [2021-10-28 08:36:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-10-28 08:36:24,951 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-10-28 08:36:24,951 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-10-28 08:36:24,951 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 08:36:24,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2021-10-28 08:36:24,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:36:24,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:36:24,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:36:24,953 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:36:24,953 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:36:24,953 INFO L791 eck$LassoCheckResult]: Stem: 775#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 776#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 773#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 774#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 787#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 777#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 778#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 788#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 802#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 799#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 798#L530-3 assume !(main_~i~1 < main_~array_size~0); 795#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 779#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 780#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 796#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 797#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 791#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 784#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 781#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 782#L518-6 [2021-10-28 08:36:24,954 INFO L793 eck$LassoCheckResult]: Loop: 782#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 789#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 792#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 785#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 782#L518-6 [2021-10-28 08:36:24,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2021-10-28 08:36:24,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609819872] [2021-10-28 08:36:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:24,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:24,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2021-10-28 08:36:24,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:24,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631596361] [2021-10-28 08:36:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:24,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:24,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:25,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:36:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2021-10-28 08:36:25,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:36:25,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119879612] [2021-10-28 08:36:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:36:25,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:36:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:25,020 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:36:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:36:25,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:36:26,102 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:36:26,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:36:26,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:36:26,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:36:26,103 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:36:26,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:36:26,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:36:26,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:36:26,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2021-10-28 08:36:26,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:36:26,103 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:36:26,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:36:26,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-28 08:36:26,203 INFO L168 Benchmark]: Toolchain (without parser) took 11904.37 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 81.7 MB in the beginning and 120.4 MB in the end (delta: -38.7 MB). Peak memory consumption was 86.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:26,203 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:26,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.99 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 85.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:26,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.35 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 84.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:26,204 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 82.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:36:26,206 INFO L168 Benchmark]: RCFGBuilder took 419.07 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 72.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:26,207 INFO L168 Benchmark]: BuchiAutomizer took 10837.85 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 72.2 MB in the beginning and 120.4 MB in the end (delta: -48.2 MB). Peak memory consumption was 80.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:36:26,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.99 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 85.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.35 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 84.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.40 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 82.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 419.07 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 72.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10837.85 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 72.2 MB in the beginning and 120.4 MB in the end (delta: -48.2 MB). Peak memory consumption was 80.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-28 08:36:26,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:26,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:36:26,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b149e5e-7a74-4d8b-9a60-accbf132965c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...