./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:11:06,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:11:06,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:11:06,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:11:06,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:11:06,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:11:06,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:11:06,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:11:06,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:11:06,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:11:06,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:11:06,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:11:06,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:11:06,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:11:06,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:11:06,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:11:06,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:11:06,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:11:06,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:11:06,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:11:06,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:11:06,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:11:06,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:11:06,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:11:06,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:11:06,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:11:06,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:11:06,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:11:06,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:11:06,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:11:06,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:11:06,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:11:06,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:11:06,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:11:06,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:11:06,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:11:06,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:11:06,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:11:06,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:11:06,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:11:06,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:11:06,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 21:11:06,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:11:06,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:11:06,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:11:06,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:11:06,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:11:06,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:11:06,289 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:11:06,289 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:11:06,289 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:11:06,290 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:11:06,290 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:11:06,290 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:11:06,290 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:11:06,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:11:06,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:11:06,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:11:06,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:11:06,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:11:06,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:11:06,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:11:06,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:11:06,292 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:11:06,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:11:06,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:11:06,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:11:06,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:11:06,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:11:06,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:11:06,295 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:11:06,295 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_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461dc838a66b90dbc84e0c687808dbd6d568e1b4ffb694b9909dedb46b2980b4 [2022-11-02 21:11:06,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:11:06,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:11:06,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:11:06,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:11:06,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:11:06,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2022-11-02 21:11:06,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/data/5df559f78/028628384b9e403390ae2e321b9ec6e5/FLAG13e98da3b [2022-11-02 21:11:07,127 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:11:07,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/sv-benchmarks/c/termination-memory-alloca/c.08-alloca.i [2022-11-02 21:11:07,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/data/5df559f78/028628384b9e403390ae2e321b9ec6e5/FLAG13e98da3b [2022-11-02 21:11:07,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/data/5df559f78/028628384b9e403390ae2e321b9ec6e5 [2022-11-02 21:11:07,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:11:07,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:11:07,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:07,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:11:07,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:11:07,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:07" (1/1) ... [2022-11-02 21:11:07,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4109d761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:07, skipping insertion in model container [2022-11-02 21:11:07,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:07" (1/1) ... [2022-11-02 21:11:07,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:11:07,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:11:07,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:07,906 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:11:07,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:08,008 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:11:08,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08 WrapperNode [2022-11-02 21:11:08,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:08,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:08,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:11:08,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:11:08,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,065 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-02 21:11:08,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:08,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:11:08,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:11:08,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:11:08,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:11:08,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:11:08,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:11:08,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:11:08,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (1/1) ... [2022-11-02 21:11:08,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:08,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:08,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:08,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:11:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:11:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:11:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:11:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:11:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:11:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:11:08,332 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:11:08,334 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:11:08,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:11:08,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:11:08,503 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:11:08,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:08 BoogieIcfgContainer [2022-11-02 21:11:08,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:11:08,506 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:11:08,507 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:11:08,511 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:11:08,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:08,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:11:07" (1/3) ... [2022-11-02 21:11:08,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a439a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:11:08, skipping insertion in model container [2022-11-02 21:11:08,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:08,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:08" (2/3) ... [2022-11-02 21:11:08,514 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a439a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:11:08, skipping insertion in model container [2022-11-02 21:11:08,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:08,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:08" (3/3) ... [2022-11-02 21:11:08,516 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.08-alloca.i [2022-11-02 21:11:08,618 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:11:08,618 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:11:08,618 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:11:08,618 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:11:08,619 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:11:08,619 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:11:08,619 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:11:08,619 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:11:08,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:08,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:08,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:08,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:08,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 21:11:08,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:11:08,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:11:08,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:08,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:08,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:08,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:08,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 21:11:08,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:11:08,659 INFO L748 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; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 5#L555-3true [2022-11-02 21:11:08,659 INFO L750 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 9#L557-3true assume !true; 12#L557-4true call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 5#L555-3true [2022-11-02 21:11:08,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 21:11:08,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:08,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628991202] [2022-11-02 21:11:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:08,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:08,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:08,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:08,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2022-11-02 21:11:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:08,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059521084] [2022-11-02 21:11:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:09,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:09,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059521084] [2022-11-02 21:11:09,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059521084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:09,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:09,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:11:09,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79121963] [2022-11-02 21:11:09,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:09,101 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 21:11:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:11:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:11:09,138 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:09,146 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-11-02 21:11:09,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2022-11-02 21:11:09,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:09,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2022-11-02 21:11:09,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-02 21:11:09,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-02 21:11:09,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2022-11-02 21:11:09,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:09,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-02 21:11:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2022-11-02 21:11:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-02 21:11:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-02 21:11:09,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-02 21:11:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:11:09,207 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-02 21:11:09,208 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:11:09,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-02 21:11:09,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:09,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:09,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:09,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 21:11:09,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 21:11:09,222 INFO L748 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 34#L555-3 [2022-11-02 21:11:09,222 INFO L750 eck$LassoCheckResult]: Loop: 34#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 35#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 36#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 37#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 38#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 34#L555-3 [2022-11-02 21:11:09,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-02 21:11:09,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:09,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841221494] [2022-11-02 21:11:09,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:09,309 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2022-11-02 21:11:09,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:09,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853762412] [2022-11-02 21:11:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:09,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2022-11-02 21:11:09,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:09,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955811232] [2022-11-02 21:11:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:09,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:10,447 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:11:10,449 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:11:10,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:11:10,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:11:10,450 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:11:10,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:10,450 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:11:10,450 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:11:10,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration2_Lasso [2022-11-02 21:11:10,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:11:10,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:11:10,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:10,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:11,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:11,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:11,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:11,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:11:11,733 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:11:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:11,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:11,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:11,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:11,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:11,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:11,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:11,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:11,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:11,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:11,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 21:11:11,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:11,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:11,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:11,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:11,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 21:11:11,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:11,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:11,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:11,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:11,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:11,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:11,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:11,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:11,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:11,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:11,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:11,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:11,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:11,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:11,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:11,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:11,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:11,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:11,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:11,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 21:11:11,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:11,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:11,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:11,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:11,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:11,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:11,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:11,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:11,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:11,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:11,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:11,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:11,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 21:11:12,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:12,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:12,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:12,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 21:11:12,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,120 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 21:11:12,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 21:11:12,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:12,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:12,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:12,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,257 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 21:11:12,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,373 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 21:11:12,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:12,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:12,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:12,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 21:11:12,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:12,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:12,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:12,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 21:11:12,475 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 [2022-11-02 21:11:12,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-02 21:11:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 21:11:12,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:12,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:12,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:12,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 21:11:12,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,652 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 21:11:12,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 21:11:12,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,836 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 21:11:12,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:12,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:12,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:12,920 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:12,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 21:11:12,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:12,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:12,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:12,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:12,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:12,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:12,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:12,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:13,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:13,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:13,029 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:13,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:13,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:13,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:13,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:13,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:13,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:13,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 21:11:13,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:13,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:13,105 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 21:11:13,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:13,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:13,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:13,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:13,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:13,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:13,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:13,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:13,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:13,183 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 21:11:13,199 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 [2022-11-02 21:11:13,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:13,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:13,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:13,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:13,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:13,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:13,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:13,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:13,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:13,268 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:13,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:13,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:13,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:13,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:13,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 21:11:13,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:13,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:13,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:11:13,362 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-02 21:11:13,362 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-02 21:11:13,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:13,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:13,369 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:11:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 21:11:13,404 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:11:13,405 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:11:13,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1 + 1 Supporting invariants [] [2022-11-02 21:11:13,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,556 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-02 21:11:13,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:13,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:11:13,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:13,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:11:13,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:13,718 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-02 21:11:13,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-11-02 21:11:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:13,963 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:11:13,964 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:14,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:14,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 17 states and 20 transitions. Complement of second has 7 states. [2022-11-02 21:11:14,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:11:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-02 21:11:14,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-02 21:11:14,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:14,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-02 21:11:14,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:14,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 10 letters. [2022-11-02 21:11:14,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:14,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2022-11-02 21:11:14,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:14,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2022-11-02 21:11:14,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 21:11:14,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 21:11:14,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-02 21:11:14,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:11:14,034 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-02 21:11:14,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-02 21:11:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-02 21:11:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:14,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-02 21:11:14,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-02 21:11:14,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-02 21:11:14,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:11:14,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-02 21:11:14,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:14,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:14,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:14,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:11:14,038 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:11:14,038 INFO L748 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 184#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 194#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 189#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 190#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 191#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 195#L557-3 [2022-11-02 21:11:14,038 INFO L750 eck$LassoCheckResult]: Loop: 195#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 198#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 195#L557-3 [2022-11-02 21:11:14,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:14,039 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2022-11-02 21:11:14,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:14,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986191895] [2022-11-02 21:11:14,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:14,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:14,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2022-11-02 21:11:14,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:14,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942214586] [2022-11-02 21:11:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:14,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:14,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash 179567346, now seen corresponding path program 2 times [2022-11-02 21:11:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:14,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637414849] [2022-11-02 21:11:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:14,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:14,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:15,516 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:11:15,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:11:15,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:11:15,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:11:15,516 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:11:15,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:15,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:11:15,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:11:15,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration3_Lasso [2022-11-02 21:11:15,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:11:15,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:11:15,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:15,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:16,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:11:16,598 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:11:16,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,604 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:16,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:16,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:16,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 21:11:16,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:16,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,666 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 21:11:16,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:16,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:16,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-02 21:11:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,728 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 21:11:16,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:16,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:16,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:16,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:16,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,766 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 21:11:16,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:16,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:16,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:16,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,833 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:16,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:16,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:16,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 21:11:16,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-02 21:11:16,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,892 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 21:11:16,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:16,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:16,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:16,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 21:11:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:16,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:16,929 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:16,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 21:11:16,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:16,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:16,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:16,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:16,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:16,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:16,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:16,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:16,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,001 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:17,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:17,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:17,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 21:11:17,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:17,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,071 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 21:11:17,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:17,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:17,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:17,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:17,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:17,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,107 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 21:11:17,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:17,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:17,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:17,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:17,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,187 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,191 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 [2022-11-02 21:11:17,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:17,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:17,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 21:11:17,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:17,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,273 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 21:11:17,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:17,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:17,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:17,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:17,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,346 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:17,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:17,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:17,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:17,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:17,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 21:11:17,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:17,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:17,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:11:17,403 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-02 21:11:17,403 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-02 21:11:17,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:17,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,408 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 21:11:17,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:11:17,421 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:11:17,421 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:11:17,421 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_2 Supporting invariants [] [2022-11-02 21:11:17,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:17,538 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-02 21:11:17,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:11:17,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 21:11:17,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:17,640 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:11:17,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:17,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 31 transitions. Complement of second has 7 states. [2022-11-02 21:11:17,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:11:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-02 21:11:17,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-02 21:11:17,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:17,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 21:11:17,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:17,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-02 21:11:17,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:17,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2022-11-02 21:11:17,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:17,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 28 transitions. [2022-11-02 21:11:17,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 21:11:17,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-02 21:11:17,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-02 21:11:17,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:11:17,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-02 21:11:17,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-02 21:11:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-11-02 21:11:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-02 21:11:17,677 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 21:11:17,677 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 21:11:17,677 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 21:11:17,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-02 21:11:17,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:17,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:17,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:17,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:17,678 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 21:11:17,678 INFO L748 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 365#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 376#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 370#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 383#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 378#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 379#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 375#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 380#L557-4 [2022-11-02 21:11:17,679 INFO L750 eck$LassoCheckResult]: Loop: 380#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 366#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 367#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 371#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 372#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 380#L557-4 [2022-11-02 21:11:17,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:17,679 INFO L85 PathProgramCache]: Analyzing trace with hash 179567344, now seen corresponding path program 1 times [2022-11-02 21:11:17,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:17,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321217555] [2022-11-02 21:11:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:17,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:17,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:17,726 INFO L85 PathProgramCache]: Analyzing trace with hash 52861313, now seen corresponding path program 2 times [2022-11-02 21:11:17,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:17,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294902193] [2022-11-02 21:11:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:17,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:17,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:17,741 INFO L85 PathProgramCache]: Analyzing trace with hash -474670094, now seen corresponding path program 1 times [2022-11-02 21:11:17,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:17,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291452193] [2022-11-02 21:11:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:17,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:17,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:19,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:19,267 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:11:19,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:11:19,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:11:19,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:11:19,268 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:11:19,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:19,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:11:19,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:11:19,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration4_Lasso [2022-11-02 21:11:19,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:11:19,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:11:19,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:19,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:11:20,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:11:20,379 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:11:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,391 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 21:11:20,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,437 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 21:11:20,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:20,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:20,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:20,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-02 21:11:20,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,473 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 21:11:20,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 21:11:20,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,514 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 21:11:20,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,553 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 21:11:20,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:20,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:20,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:20,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-02 21:11:20,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,596 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 21:11:20,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:20,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:20,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:20,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,640 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 21:11:20,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:20,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:20,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:20,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,721 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 21:11:20,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-02 21:11:20,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,777 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 21:11:20,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,815 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 21:11:20,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:11:20,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:11:20,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:11:20,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,880 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-02 21:11:20,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:20,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:20,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:20,948 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-02 21:11:20,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:20,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:20,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:20,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:20,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:20,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:20,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:20,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:21,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-02 21:11:21,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:21,022 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:21,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-02 21:11:21,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:21,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:21,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:21,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:21,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:21,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:21,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:21,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:21,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:21,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:21,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:21,098 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:21,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:21,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:21,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:21,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:21,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:21,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:21,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:21,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-02 21:11:21,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:11:21,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:21,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:21,169 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:21,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:11:21,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:11:21,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:11:21,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:11:21,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:11:21,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:11:21,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:11:21,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-02 21:11:21,215 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:11:21,229 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 21:11:21,229 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-02 21:11:21,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:21,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:21,231 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:21,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:11:21,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-02 21:11:21,253 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:11:21,254 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:11:21,254 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_3 Supporting invariants [] [2022-11-02 21:11:21,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:21,384 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2022-11-02 21:11:21,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:21,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:11:21,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:21,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:11:21,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:21,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-02 21:11:21,529 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-02 21:11:21,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2022-11-02 21:11:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:21,628 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:11:21,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2022-11-02 21:11:21,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) Result 48 states and 58 transitions. Complement of second has 9 states. [2022-11-02 21:11:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-02 21:11:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2022-11-02 21:11:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-02 21:11:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 5 letters. [2022-11-02 21:11:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 13 letters. Loop has 5 letters. [2022-11-02 21:11:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:21,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 10 letters. [2022-11-02 21:11:21,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:11:21,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2022-11-02 21:11:21,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:21,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 46 transitions. [2022-11-02 21:11:21,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-02 21:11:21,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-02 21:11:21,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2022-11-02 21:11:21,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:11:21,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-02 21:11:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2022-11-02 21:11:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2022-11-02 21:11:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-02 21:11:21,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-02 21:11:21,682 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-02 21:11:21,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 21:11:21,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-02 21:11:21,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 21:11:21,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:21,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:21,684 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2022-11-02 21:11:21,684 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:11:21,685 INFO L748 eck$LassoCheckResult]: Stem: 592#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 602#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 617#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 616#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 615#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 612#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 610#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 608#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 596#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 597#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 624#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 625#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 606#L557-3 [2022-11-02 21:11:21,685 INFO L750 eck$LassoCheckResult]: Loop: 606#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 621#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 606#L557-3 [2022-11-02 21:11:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash -474670092, now seen corresponding path program 2 times [2022-11-02 21:11:21,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:21,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827576157] [2022-11-02 21:11:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:22,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-02 21:11:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:22,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:22,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827576157] [2022-11-02 21:11:22,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827576157] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:22,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377798497] [2022-11-02 21:11:22,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:11:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:22,273 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:22,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-11-02 21:11:22,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:11:22,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:11:22,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-02 21:11:22,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:22,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:11:22,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-02 21:11:22,579 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-02 21:11:22,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 38 [2022-11-02 21:11:22,711 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-02 21:11:22,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 44 [2022-11-02 21:11:22,776 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:11:22,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2022-11-02 21:11:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:22,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:12:15,958 INFO L390 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 74 treesize of output 66 [2022-11-02 21:12:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:12:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377798497] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:12:15,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:12:15,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 25 [2022-11-02 21:12:15,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441815739] [2022-11-02 21:12:15,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:12:15,977 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:12:15,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 2 times [2022-11-02 21:12:15,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:15,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223256116] [2022-11-02 21:12:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:15,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:12:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:15,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:12:16,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-02 21:12:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=535, Unknown=4, NotChecked=0, Total=650 [2022-11-02 21:12:16,105 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:12:17,248 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2022-11-02 21:12:17,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 70 transitions. [2022-11-02 21:12:17,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-02 21:12:17,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 34 states and 38 transitions. [2022-11-02 21:12:17,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-02 21:12:17,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-02 21:12:17,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 38 transitions. [2022-11-02 21:12:17,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:12:17,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-02 21:12:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 38 transitions. [2022-11-02 21:12:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2022-11-02 21:12:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-11-02 21:12:17,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-02 21:12:17,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 21:12:17,256 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-02 21:12:17,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 21:12:17,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2022-11-02 21:12:17,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-02 21:12:17,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:12:17,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:12:17,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1] [2022-11-02 21:12:17,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1] [2022-11-02 21:12:17,258 INFO L748 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 827#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 835#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 842#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 841#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 840#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 839#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 834#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 832#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 833#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 850#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 849#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 848#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 847#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 837#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 830#L557-3 [2022-11-02 21:12:17,258 INFO L750 eck$LassoCheckResult]: Loop: 830#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 831#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 846#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 845#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 838#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 828#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 829#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 836#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 854#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 830#L557-3 [2022-11-02 21:12:17,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:17,259 INFO L85 PathProgramCache]: Analyzing trace with hash -713568913, now seen corresponding path program 3 times [2022-11-02 21:12:17,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:17,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466740695] [2022-11-02 21:12:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:17,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:12:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:17,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:12:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1628129275, now seen corresponding path program 1 times [2022-11-02 21:12:17,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:17,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753815115] [2022-11-02 21:12:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:17,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:17,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:12:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:12:17,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:12:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2003257779, now seen corresponding path program 4 times [2022-11-02 21:12:17,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:17,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390264433] [2022-11-02 21:12:17,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:17,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 21:12:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:18,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390264433] [2022-11-02 21:12:18,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390264433] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:12:18,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147023988] [2022-11-02 21:12:18,565 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:12:18,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:12:18,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:12:18,568 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:12:18,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-11-02 21:12:18,706 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:12:18,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:12:18,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-02 21:12:18,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:12:18,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:12:18,916 INFO L356 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2022-11-02 21:12:18,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 32 [2022-11-02 21:12:19,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2022-11-02 21:12:19,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 31 [2022-11-02 21:12:19,444 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-02 21:12:19,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2022-11-02 21:12:19,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-02 21:12:19,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:12:19,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:12:19,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-02 21:12:19,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-02 21:12:19,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-02 21:12:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 21:12:19,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:13:57,337 INFO L356 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-11-02 21:13:57,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 256 treesize of output 140 [2022-11-02 21:13:57,373 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-02 21:13:57,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 231 treesize of output 219 [2022-11-02 21:13:57,400 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 21:13:57,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 135 [2022-11-02 21:13:57,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 163 [2022-11-02 21:13:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 36 refuted. 10 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 21:13:57,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147023988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:13:57,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:13:57,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 38 [2022-11-02 21:13:57,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548171635] [2022-11-02 21:13:57,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:13:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:57,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-02 21:13:57,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1138, Unknown=23, NotChecked=0, Total=1406 [2022-11-02 21:13:57,952 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 7 Second operand has 38 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 38 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:59,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:59,131 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2022-11-02 21:13:59,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 53 transitions. [2022-11-02 21:13:59,132 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-11-02 21:13:59,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 53 transitions. [2022-11-02 21:13:59,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-11-02 21:13:59,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-11-02 21:13:59,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 53 transitions. [2022-11-02 21:13:59,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:13:59,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-11-02 21:13:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 53 transitions. [2022-11-02 21:13:59,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 37. [2022-11-02 21:13:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:13:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2022-11-02 21:13:59,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 42 transitions. [2022-11-02 21:13:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 21:13:59,142 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 42 transitions. [2022-11-02 21:13:59,142 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 21:13:59,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 42 transitions. [2022-11-02 21:13:59,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-02 21:13:59,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:13:59,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:13:59,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1] [2022-11-02 21:13:59,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 21:13:59,144 INFO L748 eck$LassoCheckResult]: Stem: 1114#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1115#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem10#1, test_fun_~i#1, test_fun_~j#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1123#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1133#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1132#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1131#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1130#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1127#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1128#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1149#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 1148#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 1138#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1137#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1135#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1136#L557-1 assume !!(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1141#L557-3 [2022-11-02 21:13:59,145 INFO L750 eck$LassoCheckResult]: Loop: 1141#L557-3 call test_fun_#t~mem7#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1134#L557-1 assume !(test_fun_#t~mem7#1 <= test_fun_#t~mem6#1 - 1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1; 1129#L557-4 call test_fun_#t~mem9#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem9#1 - 1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 1116#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4); 1117#L555-1 assume !!(test_fun_#t~mem5#1 >= 0);havoc test_fun_#t~mem5#1;call write~int(0, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4); 1141#L557-3 [2022-11-02 21:13:59,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:59,146 INFO L85 PathProgramCache]: Analyzing trace with hash -713568913, now seen corresponding path program 5 times [2022-11-02 21:13:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:59,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776349567] [2022-11-02 21:13:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:13:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:13:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash 44950043, now seen corresponding path program 3 times [2022-11-02 21:13:59,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:59,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785693020] [2022-11-02 21:13:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:59,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:13:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:13:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:59,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1933358739, now seen corresponding path program 6 times [2022-11-02 21:13:59,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:59,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953058905] [2022-11-02 21:13:59,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:59,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:13:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:13:59,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:14:02,838 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:14:02,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:14:02,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:14:02,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:14:02,839 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:14:02,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:14:02,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:14:02,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:14:02,839 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.08-alloca.i_Iteration7_Lasso [2022-11-02 21:14:02,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:14:02,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:14:02,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:02,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:02,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:03,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:14:04,223 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:14:04,224 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:14:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:14:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:14:04,230 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:14:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-02 21:14:04,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:14:04,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:14:04,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:14:04,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:14:04,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:14:04,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:14:04,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:14:04,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:14:04,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:14:04,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-02 21:14:04,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:14:04,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:14:04,270 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:14:04,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-02 21:14:04,272 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 [2022-11-02 21:14:04,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:14:04,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:14:04,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:14:04,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:14:04,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:14:04,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:14:04,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:14:04,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-02 21:14:04,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:14:04,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:14:04,338 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:14:04,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-02 21:14:04,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:14:04,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:14:04,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:14:04,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:14:04,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:14:04,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:14:04,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:14:04,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:14:04,388 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-02 21:14:04,388 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-02 21:14:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:14:04,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:14:04,390 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:14:04,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-02 21:14:04,391 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:14:04,402 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:14:04,402 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:14:04,402 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_4 Supporting invariants [] [2022-11-02 21:14:04,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-02 21:14:04,497 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-02 21:14:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:04,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:14:04,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:14:04,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:04,751 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-02 21:14:04,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-02 21:14:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:14:04,925 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:14:04,925 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:04,945 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 38 states and 43 transitions. Complement of second has 5 states. [2022-11-02 21:14:04,946 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 [2022-11-02 21:14:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-02 21:14:04,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-02 21:14:04,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:14:04,947 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:14:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:14:05,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:05,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-02 21:14:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:14:05,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:05,250 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-02 21:14:05,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-02 21:14:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:14:05,424 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:14:05,425 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:05,443 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 38 states and 43 transitions. Complement of second has 5 states. [2022-11-02 21:14:05,444 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 [2022-11-02 21:14:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-02 21:14:05,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-02 21:14:05,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:14:05,446 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:14:05,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:14:05,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:14:05,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:05,686 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-02 21:14:05,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-02 21:14:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:14:05,842 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:14:05,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:05,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 61 states and 68 transitions. Complement of second has 8 states. [2022-11-02 21:14:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-02 21:14:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-02 21:14:05,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-02 21:14:05,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:14:05,922 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:14:05,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:14:05,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:06,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:14:06,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:06,149 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-02 21:14:06,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-02 21:14:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:14:06,326 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:14:06,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:06,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 42 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 61 states and 68 transitions. Complement of second has 8 states. [2022-11-02 21:14:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-02 21:14:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-02 21:14:06,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-02 21:14:06,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:14:06,399 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:14:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:06,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:14:06,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:06,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 21:14:06,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:14:06,707 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-11-02 21:14:06,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2022-11-02 21:14:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:14:06,844 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-02 21:14:06,845 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:06,979 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 37 states and 42 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 178 states and 221 transitions. Complement of second has 28 states 7 powerset states21 rank states. The highest rank that occured is 5 [2022-11-02 21:14:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-02 21:14:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2022-11-02 21:14:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2022-11-02 21:14:06,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 5 letters. [2022-11-02 21:14:06,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:14:06,982 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:14:06,982 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) 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) [2022-11-02 21:14:06,985 INFO L158 Benchmark]: Toolchain (without parser) took 179497.14ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 67.2MB in the beginning and 121.8MB in the end (delta: -54.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-02 21:14:06,986 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:14:06,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.26ms. Allocated memory is still 109.1MB. Free memory was 67.1MB in the beginning and 76.8MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:14:06,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.80ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:14:06,987 INFO L158 Benchmark]: Boogie Preprocessor took 49.04ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:14:06,987 INFO L158 Benchmark]: RCFGBuilder took 388.40ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 61.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 21:14:06,988 INFO L158 Benchmark]: BuchiAutomizer took 178478.54ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 61.7MB in the beginning and 121.8MB in the end (delta: -60.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:14:06,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.26ms. Allocated memory is still 109.1MB. Free memory was 67.1MB in the beginning and 76.8MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.80ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.04ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.40ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 61.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 178478.54ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 61.7MB in the beginning and 121.8MB in the end (delta: -60.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-02 21:14:07,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2022-11-02 21:14:07,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2022-11-02 21:14:07,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/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_b5b0e309-4491-4ae3-b687-3309d7bc7624/bin/uautomizer-Dbtcem3rbc/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient