./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF --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 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:45:33,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:45:33,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:45:33,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:45:33,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:45:33,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:45:33,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:45:33,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:45:33,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:45:33,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:45:33,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:45:33,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:45:33,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:45:33,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:45:33,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:45:33,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:45:33,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:45:33,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:45:33,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:45:33,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:45:33,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:45:33,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:45:33,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:45:33,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:45:33,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:45:33,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:45:33,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:45:33,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:45:33,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:45:33,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:45:33,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:45:33,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:45:33,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:45:33,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:45:33,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:45:33,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:45:33,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:45:33,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:45:33,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:45:33,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:45:33,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:45:33,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:45:33,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:45:33,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:45:33,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:45:33,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:45:33,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:45:33,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:45:33,811 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:45:33,811 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:45:33,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:45:33,812 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:45:33,812 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:45:33,812 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:45:33,812 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:45:33,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:45:33,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:45:33,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:45:33,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:45:33,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:45:33,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:45:33,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:45:33,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:45:33,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:45:33,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:45:33,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:45:33,815 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:45:33,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:45:33,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:45:33,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:45:33,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:45:33,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:45:33,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:45:33,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:45:33,818 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:45:33,819 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_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2021-11-20 06:45:34,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:45:34,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:45:34,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:45:34,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:45:34,196 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:45:34,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-20 06:45:34,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/data/613d9cd80/20127c247c1248b2b36fc08f7c3b379a/FLAG3f1562eaa [2021-11-20 06:45:35,070 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:45:35,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2021-11-20 06:45:35,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/data/613d9cd80/20127c247c1248b2b36fc08f7c3b379a/FLAG3f1562eaa [2021-11-20 06:45:35,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/data/613d9cd80/20127c247c1248b2b36fc08f7c3b379a [2021-11-20 06:45:35,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:45:35,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:45:35,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:35,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:45:35,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:45:35,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:35,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6193a706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35, skipping insertion in model container [2021-11-20 06:45:35,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:35,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:45:35,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:45:35,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:35,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:45:35,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:35,942 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:45:35,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35 WrapperNode [2021-11-20 06:45:35,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:35,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:35,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:45:35,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:45:35,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:35,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,020 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2021-11-20 06:45:36,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:36,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:45:36,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:45:36,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:45:36,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:45:36,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:45:36,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:45:36,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:45:36,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (1/1) ... [2021-11-20 06:45:36,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:36,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:36,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:45:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:45:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:45:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:45:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:45:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:45:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:45:36,396 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:45:36,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:45:36,672 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:45:36,679 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:45:36,680 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:45:36,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:36 BoogieIcfgContainer [2021-11-20 06:45:36,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:45:36,690 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:45:36,690 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:45:36,696 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:45:36,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:36,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:45:35" (1/3) ... [2021-11-20 06:45:36,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@575cb080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:45:36, skipping insertion in model container [2021-11-20 06:45:36,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:36,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:35" (2/3) ... [2021-11-20 06:45:36,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@575cb080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:45:36, skipping insertion in model container [2021-11-20 06:45:36,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:45:36,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:36" (3/3) ... [2021-11-20 06:45:36,723 INFO L388 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2021-11-20 06:45:36,796 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:45:36,797 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:45:36,797 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:45:36,797 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:45:36,798 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:45:36,798 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:45:36,798 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:45:36,798 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:45:36,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-11-20 06:45:36,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 06:45:36,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:36,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:36,851 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:45:36,851 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:36,851 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:45:36,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-11-20 06:45:36,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 06:45:36,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:36,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:36,855 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:45:36,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:36,865 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 10#L532true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 5#L532-2true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 8#L537-3true [2021-11-20 06:45:36,865 INFO L793 eck$LassoCheckResult]: Loop: 8#L537-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 17#L537-2true main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 8#L537-3true [2021-11-20 06:45:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:36,873 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-20 06:45:36,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:36,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922519354] [2021-11-20 06:45:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:36,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,011 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:37,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:37,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-11-20 06:45:37,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:37,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15643808] [2021-11-20 06:45:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:37,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,076 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,090 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:37,092 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-11-20 06:45:37,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:37,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292138294] [2021-11-20 06:45:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:37,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,125 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:37,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:37,502 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:37,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:37,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:37,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:37,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:45:37,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:37,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:37,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:37,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2021-11-20 06:45:37,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:37,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:37,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:37,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:38,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:38,089 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:45:38,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:38,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:45:38,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:38,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:38,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:45:38,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:45:38,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:45:38,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:38,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:45:38,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:38,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:38,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,569 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:38,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:38,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:38,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:45:38,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:45:38,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,742 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:45:38,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:38,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,821 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:45:38,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:38,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:38,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:38,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:38,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 06:45:38,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,875 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:45:38,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:38,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:38,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:38,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:38,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:38,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:38,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:38,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:45:38,951 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 06:45:38,951 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-20 06:45:38,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:38,967 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:38,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:45:38,987 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:45:39,018 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:45:39,019 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:45:39,019 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1) = -4*ULTIMATE.start_main_~k~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0#1.offset >= 0] [2021-11-20 06:45:39,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:39,072 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:45:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:39,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:45:39,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:39,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:45:39,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:39,283 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 [2021-11-20 06:45:39,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-11-20 06:45:39,413 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 65 transitions. Complement of second has 7 states. [2021-11-20 06:45:39,423 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 [2021-11-20 06:45:39,430 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) [2021-11-20 06:45:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-11-20 06:45:39,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-20 06:45:39,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:39,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-20 06:45:39,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:39,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-20 06:45:39,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:39,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2021-11-20 06:45:39,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:45:39,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2021-11-20 06:45:39,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-20 06:45:39,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:45:39,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2021-11-20 06:45:39,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:39,454 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-20 06:45:39,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2021-11-20 06:45:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-20 06:45:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 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) [2021-11-20 06:45:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-11-20 06:45:39,487 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-20 06:45:39,487 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-20 06:45:39,487 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:45:39,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-11-20 06:45:39,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:45:39,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:39,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:39,489 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:45:39,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:45:39,489 INFO L791 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 137#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 130#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 131#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 134#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 132#L516-3 [2021-11-20 06:45:39,490 INFO L793 eck$LassoCheckResult]: Loop: 132#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 133#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 138#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 142#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 140#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 141#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 132#L516-3 [2021-11-20 06:45:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-11-20 06:45:39,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:39,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540709808] [2021-11-20 06:45:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:39,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:39,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:39,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540709808] [2021-11-20 06:45:39,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540709808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:39,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:39,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:45:39,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91753201] [2021-11-20 06:45:39,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:39,606 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:45:39,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:39,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2021-11-20 06:45:39,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:39,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399060801] [2021-11-20 06:45:39,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:39,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:39,619 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:39,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:39,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:39,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:45:39,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:45:39,814 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 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) [2021-11-20 06:45:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:45:39,853 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-11-20 06:45:39,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:45:39,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-11-20 06:45:39,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:45:39,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2021-11-20 06:45:39,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:45:39,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:45:39,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-20 06:45:39,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:45:39,863 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 06:45:39,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-20 06:45:39,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-11-20 06:45:39,864 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) [2021-11-20 06:45:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-11-20 06:45:39,866 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-20 06:45:39,866 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-20 06:45:39,866 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:45:39,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-11-20 06:45:39,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 06:45:39,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:39,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:39,871 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:39,871 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 06:45:39,871 INFO L791 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 175#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 168#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 169#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 173#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 174#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 170#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 171#L516-3 [2021-11-20 06:45:39,872 INFO L793 eck$LassoCheckResult]: Loop: 171#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 172#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 176#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 180#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 178#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 179#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 171#L516-3 [2021-11-20 06:45:39,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-11-20 06:45:39,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:39,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297750445] [2021-11-20 06:45:39,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:39,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:39,919 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:39,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:39,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:39,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2021-11-20 06:45:39,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:39,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886606656] [2021-11-20 06:45:39,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:39,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:39,974 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:40,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2021-11-20 06:45:40,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:40,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961645272] [2021-11-20 06:45:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:40,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:40,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:40,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:40,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:40,633 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:40,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:40,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:40,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:40,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:45:40,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:40,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:40,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:40,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2021-11-20 06:45:40,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:40,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:40,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:40,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:41,329 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:41,329 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:45:41,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,335 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:45:41,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,407 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:45:41,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:41,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:45:41,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,584 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:45:41,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,694 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:45:41,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,770 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:45:41,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:41,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:45:41,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,917 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:45:41,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:41,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:41,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:41,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:41,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:41,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:41,967 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:41,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:45:41,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:41,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:41,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:41,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:41,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:41,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:41,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:42,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:42,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:42,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:42,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,050 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:45:42,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:42,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:42,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:42,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:42,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:42,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:42,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:42,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:42,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:42,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:42,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:42,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,096 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:45:42,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:42,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:42,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:42,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:42,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:42,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:42,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:42,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:42,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:42,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:45:42,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:42,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:42,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:42,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:42,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:42,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:42,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:42,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:45:42,283 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-11-20 06:45:42,283 INFO L444 ModelExtractionUtils]: 22 out of 40 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-11-20 06:45:42,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:42,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,285 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:45:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:45:42,310 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:45:42,310 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:45:42,311 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_test_fun_~a#1.base)_1, ULTIMATE.start_test_fun_~a#1.offset, ULTIMATE.start_test_fun_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_test_fun_~a#1.base)_1 - 1*ULTIMATE.start_test_fun_~a#1.offset - 4*ULTIMATE.start_test_fun_~i~0#1 Supporting invariants [] [2021-11-20 06:45:42,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:42,368 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-11-20 06:45:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:42,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:45:42,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:42,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:45:42,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:42,514 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 [2021-11-20 06:45:42,514 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 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) [2021-11-20 06:45:42,545 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. 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 22 states and 31 transitions. Complement of second has 4 states. [2021-11-20 06:45:42,545 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 [2021-11-20 06:45:42,547 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) [2021-11-20 06:45:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-11-20 06:45:42,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2021-11-20 06:45:42,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:42,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2021-11-20 06:45:42,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:42,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2021-11-20 06:45:42,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:42,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2021-11-20 06:45:42,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:42,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2021-11-20 06:45:42,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:45:42,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:45:42,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-11-20 06:45:42,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:42,552 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-11-20 06:45:42,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-11-20 06:45:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-20 06:45:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-11-20 06:45:42,555 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-11-20 06:45:42,555 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-11-20 06:45:42,555 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:45:42,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-11-20 06:45:42,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:42,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:42,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:42,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:42,556 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:42,557 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 286#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 296#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 287#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 288#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 294#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 295#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 289#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 290#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 292#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 297#L523-2 [2021-11-20 06:45:42,557 INFO L793 eck$LassoCheckResult]: Loop: 297#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 303#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 297#L523-2 [2021-11-20 06:45:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2021-11-20 06:45:42,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:42,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715130771] [2021-11-20 06:45:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:42,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:42,574 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:42,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:42,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2021-11-20 06:45:42,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:42,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028434754] [2021-11-20 06:45:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:42,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:42,606 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:42,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794640255] [2021-11-20 06:45:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:42,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,612 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-20 06:45:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:42,649 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:42,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2021-11-20 06:45:42,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:42,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316242257] [2021-11-20 06:45:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:42,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:42,669 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:42,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83402198] [2021-11-20 06:45:42,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:42,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:42,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:42,707 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:42,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-20 06:45:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:42,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:45:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:42,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-20 06:45:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:45:42,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:45:42,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:42,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316242257] [2021-11-20 06:45:42,956 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:45:42,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83402198] [2021-11-20 06:45:42,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83402198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:42,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:42,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:45:42,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358544683] [2021-11-20 06:45:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:43,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:43,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:45:43,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:45:43,021 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:45:43,079 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-11-20 06:45:43,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:45:43,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2021-11-20 06:45:43,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:43,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2021-11-20 06:45:43,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 06:45:43,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:45:43,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2021-11-20 06:45:43,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:43,086 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2021-11-20 06:45:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2021-11-20 06:45:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 06:45:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-11-20 06:45:43,097 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-11-20 06:45:43,097 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-11-20 06:45:43,097 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:45:43,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2021-11-20 06:45:43,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:43,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:43,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:43,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:43,101 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:43,101 INFO L791 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 386#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 377#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 378#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 384#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 385#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 379#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 380#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 382#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 387#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 390#L523-2 [2021-11-20 06:45:43,101 INFO L793 eck$LassoCheckResult]: Loop: 390#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 394#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 390#L523-2 [2021-11-20 06:45:43,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:43,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2021-11-20 06:45:43,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:43,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868930528] [2021-11-20 06:45:43,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:43,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:43,135 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:43,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:43,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:43,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2021-11-20 06:45:43,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:43,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422871786] [2021-11-20 06:45:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:43,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:43,179 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:43,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165079400] [2021-11-20 06:45:43,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:45:43,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:43,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:43,190 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:43,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-20 06:45:43,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:45:43,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:43,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:43,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:43,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:43,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2021-11-20 06:45:43,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:43,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919348690] [2021-11-20 06:45:43,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:43,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:43,255 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:43,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572111157] [2021-11-20 06:45:43,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:43,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:43,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:43,264 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-20 06:45:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:43,334 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:43,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:43,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:45:43,948 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:43,948 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:43,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:43,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:43,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:45:43,948 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:43,948 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:43,948 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:43,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2021-11-20 06:45:43,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:43,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:43,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:43,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:44,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:44,704 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:45:44,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:44,710 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:44,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:44,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:44,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:44,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:44,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:44,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:44,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:44,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:44,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:45:44,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:44,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:44,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:44,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:44,780 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:44,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:45:44,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:44,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:44,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:44,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:44,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:44,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:44,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:44,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:44,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:44,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:44,850 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:44,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:45:44,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:44,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:44,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:44,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:44,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:44,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:44,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:44,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:44,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:44,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 06:45:44,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:44,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:44,917 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:44,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:45:44,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:44,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:44,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:44,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:44,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:44,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:44,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:44,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:44,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:44,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:44,986 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:44,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:45:44,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:44,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:44,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:44,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:44,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:44,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:45,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:45,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:45,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:45,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:45,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:45,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,076 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:45,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:45,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:45,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:45,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:45,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:45,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:45,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:45:45,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:45,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:45:45,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,151 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:45:45,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:45,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:45,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:45,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:45,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:45,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:45,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:45,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:45,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:45,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:45,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,191 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:45:45,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:45,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:45,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:45,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:45,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:45,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:45,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:45,228 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:45:45,250 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:45:45,250 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-20 06:45:45,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:45,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,252 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,258 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:45:45,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:45:45,287 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:45:45,288 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:45:45,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0#1.base) (+ ULTIMATE.start_main_~numbers~0#1.offset (* ULTIMATE.start_main_~k~0#1 4) (- 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0#1.base) (+ ULTIMATE.start_main_~numbers~0#1.offset (* ULTIMATE.start_main_~k~0#1 4) (- 4)))_1 Supporting invariants [] [2021-11-20 06:45:45,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 06:45:45,341 INFO L297 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2021-11-20 06:45:45,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:45,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 06:45:45,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:45,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:45,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:45:45,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:45,686 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-11-20 06:45:45,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2021-11-20 06:45:45,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 77 states and 103 transitions. Complement of second has 11 states. [2021-11-20 06:45:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 06:45:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2021-11-20 06:45:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 48 transitions. [2021-11-20 06:45:45,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 11 letters. Loop has 2 letters. [2021-11-20 06:45:45,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:45,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 13 letters. Loop has 2 letters. [2021-11-20 06:45:45,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:45,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 11 letters. Loop has 4 letters. [2021-11-20 06:45:45,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:45,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 103 transitions. [2021-11-20 06:45:45,828 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 06:45:45,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 72 states and 96 transitions. [2021-11-20 06:45:45,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-11-20 06:45:45,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-20 06:45:45,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 96 transitions. [2021-11-20 06:45:45,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:45,831 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 96 transitions. [2021-11-20 06:45:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 96 transitions. [2021-11-20 06:45:45,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 32. [2021-11-20 06:45:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.40625) internal successors, (45), 31 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2021-11-20 06:45:45,837 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-11-20 06:45:45,837 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-11-20 06:45:45,837 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:45:45,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 45 transitions. [2021-11-20 06:45:45,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:45,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:45,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:45,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:45,839 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:45,839 INFO L791 eck$LassoCheckResult]: Stem: 576#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 577#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 589#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 578#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 579#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 586#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 587#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 584#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 585#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 602#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 590#L520 assume test_fun_#t~mem4#1 < 0;havoc test_fun_#t~mem4#1;test_fun_~res~0#1 := 0; 591#L523-2 [2021-11-20 06:45:45,839 INFO L793 eck$LassoCheckResult]: Loop: 591#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 598#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 591#L523-2 [2021-11-20 06:45:45,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2021-11-20 06:45:45,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:45,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006409189] [2021-11-20 06:45:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:45,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:45,852 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:45,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:45,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2021-11-20 06:45:45,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:45,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869042295] [2021-11-20 06:45:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:45,872 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:45,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44478610] [2021-11-20 06:45:45,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:45:45,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:45,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,882 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-11-20 06:45:45,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-20 06:45:45,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:45,932 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:45,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2021-11-20 06:45:45,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:45,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774683670] [2021-11-20 06:45:45,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:45,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:45,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:45,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638690096] [2021-11-20 06:45:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:45,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:45,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:45,965 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:45,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-11-20 06:45:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:46,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:45:46,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:46,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-20 06:45:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:45:46,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:45:46,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:46,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774683670] [2021-11-20 06:45:46,084 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:45:46,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638690096] [2021-11-20 06:45:46,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638690096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:46,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:46,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:45:46,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75384948] [2021-11-20 06:45:46,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:46,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:46,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:45:46,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:45:46,144 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. cyclomatic complexity: 17 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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) [2021-11-20 06:45:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:45:46,203 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-11-20 06:45:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:45:46,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2021-11-20 06:45:46,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:46,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 44 transitions. [2021-11-20 06:45:46,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:45:46,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:45:46,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-11-20 06:45:46,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:46,207 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-11-20 06:45:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-11-20 06:45:46,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-11-20 06:45:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2021-11-20 06:45:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2021-11-20 06:45:46,216 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-11-20 06:45:46,217 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-11-20 06:45:46,217 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:45:46,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2021-11-20 06:45:46,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:46,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:46,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:46,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:46,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:46,220 INFO L791 eck$LassoCheckResult]: Stem: 693#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 694#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 706#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 695#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 696#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 703#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 704#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 705#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 719#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 721#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 720#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 702#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 707#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 710#L523-2 [2021-11-20 06:45:46,221 INFO L793 eck$LassoCheckResult]: Loop: 710#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 715#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 710#L523-2 [2021-11-20 06:45:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:46,225 INFO L85 PathProgramCache]: Analyzing trace with hash -856885645, now seen corresponding path program 2 times [2021-11-20 06:45:46,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:46,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308305817] [2021-11-20 06:45:46,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:46,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:46,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:46,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2021-11-20 06:45:46,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:46,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765543950] [2021-11-20 06:45:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:46,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:46,304 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:46,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907773250] [2021-11-20 06:45:46,305 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:45:46,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:46,310 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-20 06:45:46,346 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:45:46,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:46,347 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:46,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:46,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:46,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1166617464, now seen corresponding path program 2 times [2021-11-20 06:45:46,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:46,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350525647] [2021-11-20 06:45:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:46,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:46,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:46,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799756559] [2021-11-20 06:45:46,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:45:46,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:46,376 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:46,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-20 06:45:46,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:45:46,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:46,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:46,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:47,105 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:47,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:47,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:47,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:47,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:45:47,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:47,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:47,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:47,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration7_Lasso [2021-11-20 06:45:47,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:47,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:47,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:47,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:45:47,783 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:45:47,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:47,794 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:47,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:47,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:47,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:47,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:47,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:47,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:47,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:47,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:45:47,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:47,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:47,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:47,862 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:47,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:47,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:47,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:47,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:47,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:47,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:47,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:47,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:45:47,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:47,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:47,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:47,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:47,940 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:47,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:47,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:47,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:47,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:47,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:47,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:47,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:47,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:47,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:45:47,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 06:45:48,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,007 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:45:48,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 06:45:48,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,046 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:45:48,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 06:45:48,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,104 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:45:48,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,186 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:45:48,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,229 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:45:48,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,270 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:45:48,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:45:48,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,308 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:45:48,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-20 06:45:48,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,363 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:45:48,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 06:45:48,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,443 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:45:48,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:45:48,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:45:48,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:45:48,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 06:45:48,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,480 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:45:48,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 06:45:48,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,524 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:45:48,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,565 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:45:48,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,611 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:45:48,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:45:48,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:48,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,672 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:45:48,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:45:48,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:45:48,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:45:48,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:45:48,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:45:48,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:45:48,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:45:48,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:45:48,723 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:45:48,724 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:45:48,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:48,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:48,726 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:45:48,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:45:48,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:45:48,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:45:48,758 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:45:48,758 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ (* ULTIMATE.start_test_fun_~i~0#1 4) ULTIMATE.start_test_fun_~a#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ (* ULTIMATE.start_test_fun_~i~0#1 4) ULTIMATE.start_test_fun_~a#1.offset))_2 Supporting invariants [] [2021-11-20 06:45:48,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 06:45:48,796 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-11-20 06:45:48,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:48,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:45:48,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:48,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:45:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:48,898 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 [2021-11-20 06:45:48,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-11-20 06:45:48,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 51 states and 68 transitions. Complement of second has 7 states. [2021-11-20 06:45:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:45:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-11-20 06:45:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-11-20 06:45:48,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 2 letters. [2021-11-20 06:45:48,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:48,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 2 letters. [2021-11-20 06:45:48,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:48,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2021-11-20 06:45:48,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:45:48,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 68 transitions. [2021-11-20 06:45:48,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:48,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 42 states and 55 transitions. [2021-11-20 06:45:48,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:45:48,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:45:48,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 55 transitions. [2021-11-20 06:45:48,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:48,936 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 55 transitions. [2021-11-20 06:45:48,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 55 transitions. [2021-11-20 06:45:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2021-11-20 06:45:48,940 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) [2021-11-20 06:45:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-11-20 06:45:48,940 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-11-20 06:45:48,941 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-11-20 06:45:48,941 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 06:45:48,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-11-20 06:45:48,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:48,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:48,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:48,943 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:48,943 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:48,943 INFO L791 eck$LassoCheckResult]: Stem: 863#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 864#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 873#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 865#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 866#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 871#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 872#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 870#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 867#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 868#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 892#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 885#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 886#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 881#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 882#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 887#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 874#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 875#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 879#L523-2 [2021-11-20 06:45:48,944 INFO L793 eck$LassoCheckResult]: Loop: 879#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 883#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 879#L523-2 [2021-11-20 06:45:48,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 869045162, now seen corresponding path program 1 times [2021-11-20 06:45:48,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:48,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416740357] [2021-11-20 06:45:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:48,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:49,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:49,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416740357] [2021-11-20 06:45:49,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416740357] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:45:49,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261704181] [2021-11-20 06:45:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:49,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:49,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:49,112 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:49,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-11-20 06:45:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:49,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:45:49,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:45:49,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:49,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:45:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:45:49,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261704181] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:45:49,464 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:45:49,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2021-11-20 06:45:49,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326386108] [2021-11-20 06:45:49,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:45:49,467 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:45:49,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2021-11-20 06:45:49,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:49,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144621629] [2021-11-20 06:45:49,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:49,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:49,476 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:49,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354405494] [2021-11-20 06:45:49,477 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 06:45:49,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:49,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:49,481 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-11-20 06:45:49,530 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:45:49,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:49,531 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:49,540 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:49,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:49,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 06:45:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:45:49,613 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 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) [2021-11-20 06:45:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:45:49,813 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2021-11-20 06:45:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:45:49,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 65 transitions. [2021-11-20 06:45:49,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:49,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 34 states and 42 transitions. [2021-11-20 06:45:49,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 06:45:49,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:45:49,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-11-20 06:45:49,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:49,817 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-20 06:45:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-11-20 06:45:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-11-20 06:45:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 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) [2021-11-20 06:45:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-11-20 06:45:49,821 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-20 06:45:49,821 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-20 06:45:49,821 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-20 06:45:49,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2021-11-20 06:45:49,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:49,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:49,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:49,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:49,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:49,824 INFO L791 eck$LassoCheckResult]: Stem: 1074#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1075#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1085#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1076#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 1077#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1082#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1083#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1084#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1101#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1078#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 1079#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1080#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1106#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1097#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1103#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1102#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1100#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1099#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1086#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1087#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1091#L523-2 [2021-11-20 06:45:49,824 INFO L793 eck$LassoCheckResult]: Loop: 1091#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1095#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1091#L523-2 [2021-11-20 06:45:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash -185139956, now seen corresponding path program 2 times [2021-11-20 06:45:49,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:49,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046238595] [2021-11-20 06:45:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:49,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:45:49,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:49,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046238595] [2021-11-20 06:45:49,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046238595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:49,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:49,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:45:49,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266103364] [2021-11-20 06:45:49,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:49,902 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:45:49,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:49,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 6 times [2021-11-20 06:45:49,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:49,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466060925] [2021-11-20 06:45:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:49,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:49,906 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:49,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342888033] [2021-11-20 06:45:49,906 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-20 06:45:49,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:49,909 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-11-20 06:45:49,942 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2021-11-20 06:45:49,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:49,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:49,948 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:50,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:45:50,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:45:50,006 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-11-20 06:45:50,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:45:50,057 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2021-11-20 06:45:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:45:50,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2021-11-20 06:45:50,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:50,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 39 states and 47 transitions. [2021-11-20 06:45:50,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:45:50,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:45:50,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2021-11-20 06:45:50,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:45:50,061 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-11-20 06:45:50,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2021-11-20 06:45:50,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2021-11-20 06:45:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:45:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2021-11-20 06:45:50,065 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-11-20 06:45:50,065 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-11-20 06:45:50,066 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-20 06:45:50,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 44 transitions. [2021-11-20 06:45:50,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:45:50,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:45:50,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:45:50,068 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:45:50,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:45:50,068 INFO L791 eck$LassoCheckResult]: Stem: 1158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1169#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1160#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 1161#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1166#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1167#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1168#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1184#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1162#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 1163#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1164#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1192#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1182#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1180#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1181#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1187#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1186#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1185#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1183#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1170#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1171#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1175#L523-2 [2021-11-20 06:45:50,068 INFO L793 eck$LassoCheckResult]: Loop: 1175#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1179#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1175#L523-2 [2021-11-20 06:45:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2055932007, now seen corresponding path program 1 times [2021-11-20 06:45:50,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121341408] [2021-11-20 06:45:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:50,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:50,078 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:50,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393123976] [2021-11-20 06:45:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:50,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:50,080 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:50,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-11-20 06:45:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:50,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:50,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:50,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 7 times [2021-11-20 06:45:50,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:50,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617252606] [2021-11-20 06:45:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:50,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:50,169 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:50,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867534566] [2021-11-20 06:45:50,169 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 06:45:50,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:50,172 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:50,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-11-20 06:45:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:50,205 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:50,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:50,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash 65704044, now seen corresponding path program 2 times [2021-11-20 06:45:50,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:50,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758633395] [2021-11-20 06:45:50,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:50,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:50,222 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:45:50,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466751079] [2021-11-20 06:45:50,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:45:50,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:45:50,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:45:50,234 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:45:50,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-11-20 06:45:50,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:45:50,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:45:50,298 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:45:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:45:50,341 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:45:51,324 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:45:51,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:45:51,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:45:51,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:45:51,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:45:51,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:45:51,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:45:51,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:45:51,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration10_Lasso [2021-11-20 06:45:51,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:45:51,324 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:45:51,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:45:51,369 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:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) 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) [2021-11-20 06:45:51,373 INFO L158 Benchmark]: Toolchain (without parser) took 16064.71ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 89.4MB in the beginning and 133.7MB in the end (delta: -44.4MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,374 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:45:51,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.56ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 92.8MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.31ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,375 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,375 INFO L158 Benchmark]: RCFGBuilder took 613.01ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,375 INFO L158 Benchmark]: BuchiAutomizer took 14682.16ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 79.1MB in the beginning and 133.7MB in the end (delta: -54.7MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-11-20 06:45:51,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.56ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 92.8MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.31ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.01ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14682.16ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 79.1MB in the beginning and 133.7MB in the end (delta: -54.7MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * 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. [2021-11-20 06:45:51,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:51,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:51,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:52,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-11-20 06:45:52,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2021-11-20 06:45:52,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:52,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2021-11-20 06:45:52,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:53,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:53,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-11-20 06:45:53,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:53,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:53,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:45:54,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-11-20 06:45:54,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b78cba-9303-470e-8e75-f1ebbdafc36b/bin/uautomizer-DQz5hQGWxF/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)