./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50151fd5b174ebc91ead294b24e8609853135da34cf3135980023271fd7c21f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:39:48,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:39:48,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:39:48,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:39:48,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:39:48,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:39:48,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:39:48,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:39:48,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:39:48,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:39:48,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:39:48,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:39:48,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:39:48,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:39:48,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:39:48,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:39:48,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:39:48,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:39:48,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:39:48,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:39:48,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:39:48,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:39:48,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:39:48,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:39:48,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:39:48,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:39:48,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:39:49,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:39:49,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:39:49,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:39:49,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:39:49,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:39:49,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:39:49,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:39:49,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:39:49,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:39:49,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:39:49,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:39:49,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:39:49,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:39:49,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:39:49,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:39:49,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:39:49,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:39:49,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:39:49,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:39:49,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:39:49,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:39:49,077 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:39:49,077 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:39:49,077 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:39:49,078 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:39:49,079 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:39:49,079 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:39:49,080 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:39:49,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:39:49,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:39:49,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:39:49,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:39:49,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:39:49,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:39:49,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:39:49,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:39:49,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:39:49,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:39:49,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:39:49,087 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:39:49,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:39:49,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:39:49,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:39:49,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:39:49,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:39:49,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:39:49,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:39:49,089 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:39:49,090 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_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50151fd5b174ebc91ead294b24e8609853135da34cf3135980023271fd7c21f6 [2021-11-23 12:39:49,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:39:49,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:39:49,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:39:49,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:39:49,506 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:39:49,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2021-11-23 12:39:49,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/data/d1116d1c7/93ace30dc0d646e084424eea17390f45/FLAG949af6fc3 [2021-11-23 12:39:50,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:39:50,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2021-11-23 12:39:50,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/data/d1116d1c7/93ace30dc0d646e084424eea17390f45/FLAG949af6fc3 [2021-11-23 12:39:50,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/data/d1116d1c7/93ace30dc0d646e084424eea17390f45 [2021-11-23 12:39:50,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:39:50,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:39:50,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:39:50,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:39:50,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:39:50,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:50" (1/1) ... [2021-11-23 12:39:50,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af58545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:50, skipping insertion in model container [2021-11-23 12:39:50,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:50" (1/1) ... [2021-11-23 12:39:50,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:39:50,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:39:51,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:39:51,143 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:39:51,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:39:51,235 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:39:51,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51 WrapperNode [2021-11-23 12:39:51,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:39:51,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:39:51,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:39:51,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:39:51,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,308 INFO L137 Inliner]: procedures = 166, calls = 79, calls flagged for inlining = 30, calls inlined = 7, statements flattened = 98 [2021-11-23 12:39:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:39:51,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:39:51,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:39:51,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:39:51,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:39:51,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:39:51,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:39:51,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:39:51,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (1/1) ... [2021-11-23 12:39:51,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:51,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:51,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:51,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:39:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 12:39:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:39:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:39:51,641 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:39:51,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:39:51,789 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:39:51,795 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:39:51,796 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 12:39:51,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:51 BoogieIcfgContainer [2021-11-23 12:39:51,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:39:51,799 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:39:51,799 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:39:51,802 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:39:51,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:39:51,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:39:50" (1/3) ... [2021-11-23 12:39:51,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@913c4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:39:51, skipping insertion in model container [2021-11-23 12:39:51,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:39:51,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:51" (2/3) ... [2021-11-23 12:39:51,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@913c4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:39:51, skipping insertion in model container [2021-11-23 12:39:51,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:39:51,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:51" (3/3) ... [2021-11-23 12:39:51,806 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_1-2.i [2021-11-23 12:39:51,848 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:39:51,848 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:39:51,848 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:39:51,849 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:39:51,849 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:39:51,849 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:39:51,849 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:39:51,849 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:39:51,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-11-23 12:39:51,883 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-23 12:39:51,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:51,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:51,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:51,890 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:39:51,890 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:39:51,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-11-23 12:39:51,893 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-23 12:39:51,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:51,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:51,893 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:51,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:39:51,898 INFO L791 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 24#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 20#L529true entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 16#L787true assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 9#L788-3true [2021-11-23 12:39:51,899 INFO L793 eck$LassoCheckResult]: Loop: 9#L788-3true assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 3#L788-2true entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 9#L788-3true [2021-11-23 12:39:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2021-11-23 12:39:51,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:51,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100987099] [2021-11-23 12:39:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:51,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:52,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:39:52,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100987099] [2021-11-23 12:39:52,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100987099] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:39:52,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:39:52,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:39:52,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788740936] [2021-11-23 12:39:52,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:39:52,135 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:39:52,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:52,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1603, now seen corresponding path program 1 times [2021-11-23 12:39:52,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:52,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13000968] [2021-11-23 12:39:52,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:52,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:52,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:39:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:39:52,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:39:52,392 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:52,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:39:52,450 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2021-11-23 12:39:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:39:52,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 61 transitions. [2021-11-23 12:39:52,460 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2021-11-23 12:39:52,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 33 states and 41 transitions. [2021-11-23 12:39:52,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-11-23 12:39:52,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-23 12:39:52,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-11-23 12:39:52,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:39:52,467 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-23 12:39:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-11-23 12:39:52,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-11-23 12:39:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-23 12:39:52,495 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-23 12:39:52,495 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-23 12:39:52,495 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 12:39:52,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-11-23 12:39:52,496 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-23 12:39:52,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:52,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:52,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:52,497 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:39:52,497 INFO L791 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 94#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 104#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 103#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 95#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 92#L788-3 [2021-11-23 12:39:52,497 INFO L793 eck$LassoCheckResult]: Loop: 92#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 91#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 92#L788-3 [2021-11-23 12:39:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2021-11-23 12:39:52,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:52,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086479136] [2021-11-23 12:39:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:52,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1603, now seen corresponding path program 2 times [2021-11-23 12:39:52,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:52,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91782676] [2021-11-23 12:39:52,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:52,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:52,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966535, now seen corresponding path program 1 times [2021-11-23 12:39:52,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:52,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176919732] [2021-11-23 12:39:52,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:52,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,578 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:52,624 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:53,096 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:39:53,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:39:53,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:39:53,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:39:53,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:39:53,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:53,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:39:53,098 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:39:53,098 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration2_Lasso [2021-11-23 12:39:53,098 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:39:53,098 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:39:53,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:53,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:39:53,931 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:39:53,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:53,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:53,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:53,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:53,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:53,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:39:53,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:53,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:53,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:53,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:39:53,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:39:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 12:39:53,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:39:54,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:39:54,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:39:54,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 12:39:54,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-23 12:39:54,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:39:54,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:39:54,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:39:54,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:39:54,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:39:54,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:39:54,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:39:54,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:39:54,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:39:54,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:39:54,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:39:54,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:39:54,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:39:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:39:54,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:39:54,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:39:54,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,616 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:39:54,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:39:54,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:39:54,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:39:54,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:39:54,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:39:54,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:39:54,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:39:54,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:39:54,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:39:54,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:39:54,855 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-11-23 12:39:54,855 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-11-23 12:39:54,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:39:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:54,860 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:39:54,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:39:54,886 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:39:54,906 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:39:54,906 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:39:54,907 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_ldv_malloc_#res#1.base)_1, ULTIMATE.start_entry_point_~array~0#1.offset, ULTIMATE.start_entry_point_~i~2#1) = 1*v_rep(select #length ULTIMATE.start_ldv_malloc_#res#1.base)_1 - 1*ULTIMATE.start_entry_point_~array~0#1.offset - 4*ULTIMATE.start_entry_point_~i~2#1 Supporting invariants [] [2021-11-23 12:39:54,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:54,966 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-23 12:39:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:55,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:39:55,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:39:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:55,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 12:39:55,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:39:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:55,096 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-23 12:39:55,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-23 12:39:55,179 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 34 states and 44 transitions. Complement of second has 8 states. [2021-11-23 12:39:55,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 12:39:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-23 12:39:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-11-23 12:39:55,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-23 12:39:55,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:39:55,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-23 12:39:55,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:39:55,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-23 12:39:55,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:39:55,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2021-11-23 12:39:55,188 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-11-23 12:39:55,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 34 transitions. [2021-11-23 12:39:55,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-23 12:39:55,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-23 12:39:55,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2021-11-23 12:39:55,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:39:55,191 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-11-23 12:39:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2021-11-23 12:39:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2021-11-23 12:39:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-23 12:39:55,194 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-23 12:39:55,195 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-23 12:39:55,195 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 12:39:55,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-23 12:39:55,196 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:55,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:55,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:55,197 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:39:55,197 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:55,197 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 244#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 243#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 234#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 235#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 249#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 245#L764-3 [2021-11-23 12:39:55,198 INFO L793 eck$LassoCheckResult]: Loop: 245#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 250#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 251#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 240#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 242#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 245#L764-3 [2021-11-23 12:39:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:55,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966477, now seen corresponding path program 1 times [2021-11-23 12:39:55,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:55,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676147383] [2021-11-23 12:39:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:55,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:55,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:39:55,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676147383] [2021-11-23 12:39:55,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676147383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:39:55,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:39:55,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:39:55,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102246239] [2021-11-23 12:39:55,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:39:55,246 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:39:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 1 times [2021-11-23 12:39:55,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:55,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950188533] [2021-11-23 12:39:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:55,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:55,262 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:55,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:55,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:39:55,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:39:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:39:55,553 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-23 12:39:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:39:55,573 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-11-23 12:39:55,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:39:55,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-11-23 12:39:55,575 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:55,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2021-11-23 12:39:55,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-23 12:39:55,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-23 12:39:55,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-23 12:39:55,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:39:55,577 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-23 12:39:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-23 12:39:55,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-23 12:39:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-23 12:39:55,579 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-23 12:39:55,579 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-23 12:39:55,579 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 12:39:55,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-23 12:39:55,580 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:55,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:55,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:55,580 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:39:55,581 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:55,581 INFO L791 eck$LassoCheckResult]: Stem: 284#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 296#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 292#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 286#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 287#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 282#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 283#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 301#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 297#L764-3 [2021-11-23 12:39:55,581 INFO L793 eck$LassoCheckResult]: Loop: 297#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 302#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 303#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 293#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 295#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 297#L764-3 [2021-11-23 12:39:55,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:55,582 INFO L85 PathProgramCache]: Analyzing trace with hash -593946865, now seen corresponding path program 1 times [2021-11-23 12:39:55,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:55,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742148168] [2021-11-23 12:39:55,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:55,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:55,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:39:55,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742148168] [2021-11-23 12:39:55,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742148168] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:39:55,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656165715] [2021-11-23 12:39:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:55,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:39:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:55,655 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:39:55,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-23 12:39:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:55,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:39:55,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:39:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:55,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:39:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:55,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656165715] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:39:55,822 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:39:55,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 12:39:55,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324381926] [2021-11-23 12:39:55,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:39:55,825 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:39:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 2 times [2021-11-23 12:39:55,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:55,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045086569] [2021-11-23 12:39:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:55,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:55,851 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:55,871 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:39:56,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:39:56,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 12:39:56,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-11-23 12:39:56,161 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:56,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:39:56,238 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2021-11-23 12:39:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:39:56,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2021-11-23 12:39:56,241 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:56,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 33 transitions. [2021-11-23 12:39:56,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-23 12:39:56,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-23 12:39:56,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-11-23 12:39:56,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:39:56,243 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-23 12:39:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-11-23 12:39:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-23 12:39:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 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) [2021-11-23 12:39:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-11-23 12:39:56,246 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-23 12:39:56,246 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-23 12:39:56,246 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 12:39:56,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-11-23 12:39:56,247 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:56,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:56,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:56,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:39:56,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:56,248 INFO L791 eck$LassoCheckResult]: Stem: 399#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 411#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 410#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 401#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 402#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 397#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 398#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 416#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 424#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 423#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 422#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 421#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 420#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 419#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 412#L764-3 [2021-11-23 12:39:56,248 INFO L793 eck$LassoCheckResult]: Loop: 412#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 417#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 418#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 407#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 409#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 412#L764-3 [2021-11-23 12:39:56,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:56,249 INFO L85 PathProgramCache]: Analyzing trace with hash 775101013, now seen corresponding path program 2 times [2021-11-23 12:39:56,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:56,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937736472] [2021-11-23 12:39:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:56,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:39:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:56,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:39:56,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937736472] [2021-11-23 12:39:56,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937736472] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 12:39:56,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401894121] [2021-11-23 12:39:56,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:39:56,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:39:56,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:39:56,340 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:39:56,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-23 12:39:56,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:39:56,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:39:56,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 12:39:56,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:39:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:56,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:39:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:39:56,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401894121] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:39:56,647 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 12:39:56,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2021-11-23 12:39:56,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701331865] [2021-11-23 12:39:56,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 12:39:56,648 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:39:56,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 3 times [2021-11-23 12:39:56,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:56,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512641067] [2021-11-23 12:39:56,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:56,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:56,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:56,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:56,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:39:56,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-23 12:39:56,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2021-11-23 12:39:56,958 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 9 Second operand has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:39:57,091 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-11-23 12:39:57,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 12:39:57,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2021-11-23 12:39:57,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:57,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 45 transitions. [2021-11-23 12:39:57,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-23 12:39:57,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-23 12:39:57,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 45 transitions. [2021-11-23 12:39:57,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:39:57,097 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-11-23 12:39:57,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 45 transitions. [2021-11-23 12:39:57,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-23 12:39:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:39:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-11-23 12:39:57,100 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-11-23 12:39:57,101 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-11-23 12:39:57,101 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 12:39:57,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 45 transitions. [2021-11-23 12:39:57,101 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-23 12:39:57,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:39:57,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:39:57,105 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:39:57,105 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 12:39:57,105 INFO L791 eck$LassoCheckResult]: Stem: 583#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 584#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 595#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 591#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 585#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 586#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 600#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 601#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 581#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 582#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 620#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 619#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 618#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 617#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 616#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 615#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 614#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 613#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 612#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 611#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 610#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 609#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 608#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 607#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 606#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 605#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 602#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 596#L764-3 [2021-11-23 12:39:57,106 INFO L793 eck$LassoCheckResult]: Loop: 596#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 603#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 604#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 592#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 594#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 596#L764-3 [2021-11-23 12:39:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash 158620513, now seen corresponding path program 3 times [2021-11-23 12:39:57,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:57,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991415122] [2021-11-23 12:39:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,172 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash 61172007, now seen corresponding path program 4 times [2021-11-23 12:39:57,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:57,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211451221] [2021-11-23 12:39:57,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:57,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,217 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:39:57,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:39:57,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1350358585, now seen corresponding path program 1 times [2021-11-23 12:39:57,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:39:57,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697105768] [2021-11-23 12:39:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:39:57,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:39:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:39:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:39:57,391 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:46,444 WARN L227 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 363 DAG size of output: 294 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:41:51,459 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:41:51,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:41:51,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:41:51,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:41:51,459 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:41:51,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:51,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:41:51,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:41:51,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration6_Lasso [2021-11-23 12:41:51,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:41:51,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:41:51,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:51,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:52,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:41:52,331 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:41:52,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,340 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:41:52,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,377 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:41:52,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,415 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:41:52,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,445 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:41:52,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-23 12:41:52,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,479 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:41:52,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:52,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:52,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,520 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:41:52,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:52,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:52,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,586 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:41:52,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-23 12:41:52,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,639 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:41:52,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,669 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 12:41:52,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 12:41:52,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,711 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 12:41:52,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,744 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 12:41:52,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,801 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:52,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:52,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 12:41:52,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,874 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:52,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:52,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:52,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 12:41:52,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,918 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 12:41:52,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:52,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:52,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:52,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:52,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:52,973 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:52,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 12:41:52,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:52,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:52,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:52,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:52,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:52,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:52,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:53,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,053 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 12:41:53,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:53,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:53,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:53,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,090 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 12:41:53,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:53,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:53,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:53,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,165 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,171 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 [2021-11-23 12:41:53,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:53,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:53,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:53,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 12:41:53,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,229 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:53,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:53,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 12:41:53,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,296 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 12:41:53,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:41:53,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:41:53,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:41:53,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-23 12:41:53,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,333 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 12:41:53,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:53,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:53,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:41:53,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,414 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:41:53,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:41:53,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:41:53,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:41:53,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:41:53,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 12:41:53,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:41:53,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:41:53,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:41:53,491 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-23 12:41:53,491 INFO L444 ModelExtractionUtils]: 27 out of 37 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-23 12:41:53,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:41:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:53,507 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:53,561 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:41:53,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 12:41:53,583 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:41:53,583 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:41:53,583 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~len#1, ULTIMATE.start_alloc_17_~i~0#1) = 1*ULTIMATE.start_alloc_17_~len#1 - 1*ULTIMATE.start_alloc_17_~i~0#1 Supporting invariants [] [2021-11-23 12:41:53,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:53,640 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-23 12:41:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:53,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:41:53,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:41:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:53,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:41:53,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:41:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:53,798 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-23 12:41:53,798 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 45 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 45 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 71 transitions. Complement of second has 6 states. [2021-11-23 12:41:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 12:41:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-11-23 12:41:53,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 27 letters. Loop has 5 letters. [2021-11-23 12:41:53,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:41:53,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 32 letters. Loop has 5 letters. [2021-11-23 12:41:53,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:41:53,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 27 letters. Loop has 10 letters. [2021-11-23 12:41:53,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:41:53,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 71 transitions. [2021-11-23 12:41:53,842 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-23 12:41:53,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 47 states and 55 transitions. [2021-11-23 12:41:53,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-23 12:41:53,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-23 12:41:53,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2021-11-23 12:41:53,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:41:53,846 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2021-11-23 12:41:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2021-11-23 12:41:53,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2021-11-23 12:41:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2021-11-23 12:41:53,859 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-11-23 12:41:53,859 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-11-23 12:41:53,859 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-23 12:41:53,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2021-11-23 12:41:53,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 12:41:53,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:41:53,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:41:53,863 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:41:53,863 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:41:53,864 INFO L791 eck$LassoCheckResult]: Stem: 829#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 830#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 842#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 841#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 831#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 832#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 827#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 828#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 847#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 870#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 869#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 868#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 867#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 866#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 865#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 864#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 863#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 862#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 861#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 860#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 859#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 858#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 857#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 856#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 855#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 854#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 848#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 849#L764-3 assume !(alloc_17_~i~0#1 < alloc_17_~len#1); 836#L764-4 alloc_17_#res#1 := 0; 833#L775 entry_point_#t~ret46#1 := alloc_17_#res#1;assume { :end_inline_alloc_17 } true;havoc entry_point_#t~ret46#1;assume { :begin_inline_free_17 } true;free_17_#in~array#1.base, free_17_#in~array#1.offset, free_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset, free_17_#t~post42#1, free_17_~array#1.base, free_17_~array#1.offset, free_17_~len#1, free_17_~i~1#1;free_17_~array#1.base, free_17_~array#1.offset := free_17_#in~array#1.base, free_17_#in~array#1.offset;free_17_~len#1 := free_17_#in~len#1;havoc free_17_~i~1#1;free_17_~i~1#1 := 0; 834#L779-3 [2021-11-23 12:41:53,864 INFO L793 eck$LassoCheckResult]: Loop: 834#L779-3 assume !!(free_17_~i~1#1 < free_17_~len#1);call free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset := read~$Pointer$(free_17_~array#1.base, free_17_~array#1.offset + 4 * free_17_~i~1#1, 4);call ULTIMATE.dealloc(free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset);havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset; 835#L779-2 free_17_#t~post42#1 := free_17_~i~1#1;free_17_~i~1#1 := 1 + free_17_#t~post42#1;havoc free_17_#t~post42#1; 834#L779-3 [2021-11-23 12:41:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 999709617, now seen corresponding path program 1 times [2021-11-23 12:41:53,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:53,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707967081] [2021-11-23 12:41:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 12:41:53,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:53,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707967081] [2021-11-23 12:41:53,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707967081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:53,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:53,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:41:53,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754111481] [2021-11-23 12:41:53,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:53,974 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:41:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:53,975 INFO L85 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 1 times [2021-11-23 12:41:53,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:53,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355867398] [2021-11-23 12:41:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:53,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:53,984 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:53,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:54,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:41:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:41:54,035 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:41:54,073 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2021-11-23 12:41:54,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:41:54,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 68 transitions. [2021-11-23 12:41:54,079 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-23 12:41:54,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 68 transitions. [2021-11-23 12:41:54,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-11-23 12:41:54,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-23 12:41:54,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 68 transitions. [2021-11-23 12:41:54,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:41:54,084 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 68 transitions. [2021-11-23 12:41:54,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 68 transitions. [2021-11-23 12:41:54,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2021-11-23 12:41:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2021-11-23 12:41:54,093 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2021-11-23 12:41:54,093 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2021-11-23 12:41:54,093 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-23 12:41:54,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2021-11-23 12:41:54,094 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 12:41:54,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:41:54,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:41:54,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:41:54,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:41:54,096 INFO L791 eck$LassoCheckResult]: Stem: 940#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 941#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 953#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 952#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 942#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 943#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 958#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 959#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 938#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 939#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 981#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 980#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 979#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 978#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 977#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 976#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 975#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 974#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 973#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 972#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 971#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 970#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 969#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 968#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 967#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 966#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 960#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 961#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 962#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 963#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 948#L766 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 949#L766-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 957#L771-3 [2021-11-23 12:41:54,097 INFO L793 eck$LassoCheckResult]: Loop: 957#L771-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 956#L771-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 957#L771-3 [2021-11-23 12:41:54,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1350299059, now seen corresponding path program 1 times [2021-11-23 12:41:54,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634260670] [2021-11-23 12:41:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,135 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 1 times [2021-11-23 12:41:54,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196372573] [2021-11-23 12:41:54,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,189 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,197 INFO L85 PathProgramCache]: Analyzing trace with hash -557270321, now seen corresponding path program 1 times [2021-11-23 12:41:54,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806900473] [2021-11-23 12:41:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 12:41:54,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:54,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806900473] [2021-11-23 12:41:54,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806900473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:54,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:54,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:41:54,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510297304] [2021-11-23 12:41:54,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:54,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:54,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:41:54,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:41:54,358 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:41:54,424 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2021-11-23 12:41:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:41:54,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 69 transitions. [2021-11-23 12:41:54,425 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-23 12:41:54,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 69 transitions. [2021-11-23 12:41:54,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-11-23 12:41:54,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-23 12:41:54,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 69 transitions. [2021-11-23 12:41:54,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:41:54,427 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 69 transitions. [2021-11-23 12:41:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 69 transitions. [2021-11-23 12:41:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2021-11-23 12:41:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2021-11-23 12:41:54,430 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2021-11-23 12:41:54,430 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2021-11-23 12:41:54,430 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-23 12:41:54,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 57 transitions. [2021-11-23 12:41:54,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 12:41:54,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:41:54,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:41:54,432 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:41:54,432 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:41:54,433 INFO L791 eck$LassoCheckResult]: Stem: 1055#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1056#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1068#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1067#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 1057#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1058#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1053#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1054#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1073#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1101#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1100#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1099#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1098#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1097#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1096#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1095#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1094#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1092#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1090#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1088#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1087#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1086#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1085#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1084#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1083#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1082#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1079#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1080#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1075#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1076#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1063#L766 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1064#L766-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1074#L771-3 assume !(alloc_17_~j~0#1 >= 0); 1070#L771-4 alloc_17_#res#1 := 3; 1059#L775 entry_point_#t~ret46#1 := alloc_17_#res#1;assume { :end_inline_alloc_17 } true;havoc entry_point_#t~ret46#1;assume { :begin_inline_free_17 } true;free_17_#in~array#1.base, free_17_#in~array#1.offset, free_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset, free_17_#t~post42#1, free_17_~array#1.base, free_17_~array#1.offset, free_17_~len#1, free_17_~i~1#1;free_17_~array#1.base, free_17_~array#1.offset := free_17_#in~array#1.base, free_17_#in~array#1.offset;free_17_~len#1 := free_17_#in~len#1;havoc free_17_~i~1#1;free_17_~i~1#1 := 0; 1060#L779-3 [2021-11-23 12:41:54,433 INFO L793 eck$LassoCheckResult]: Loop: 1060#L779-3 assume !!(free_17_~i~1#1 < free_17_~len#1);call free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset := read~$Pointer$(free_17_~array#1.base, free_17_~array#1.offset + 4 * free_17_~i~1#1, 4);call ULTIMATE.dealloc(free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset);havoc free_17_#t~mem43#1.base, free_17_#t~mem43#1.offset; 1061#L779-2 free_17_#t~post42#1 := free_17_~i~1#1;free_17_~i~1#1 := 1 + free_17_#t~post42#1;havoc free_17_#t~post42#1; 1060#L779-3 [2021-11-23 12:41:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash -95512495, now seen corresponding path program 1 times [2021-11-23 12:41:54,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117617477] [2021-11-23 12:41:54,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,452 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:54,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 12:41:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:54,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash 3459, now seen corresponding path program 2 times [2021-11-23 12:41:54,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490555106] [2021-11-23 12:41:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,503 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:41:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:54,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1593191981, now seen corresponding path program 1 times [2021-11-23 12:41:54,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:54,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298567809] [2021-11-23 12:41:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:54,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,546 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:41:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:41:54,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:44:15,585 WARN L227 SmtUtils]: Spent 2.35m on a formula simplification. DAG size of input: 403 DAG size of output: 330 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:44:23,565 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:44:23,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:44:23,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:44:23,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:44:23,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:44:23,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:23,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:44:23,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:44:23,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration9_Lasso [2021-11-23 12:44:23,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:44:23,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:44:23,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:23,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:25,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:44:25,200 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:44:25,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,216 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 12:44:25,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,254 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 12:44:25,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 12:44:25,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-23 12:44:25,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,322 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 12:44:25,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,360 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 12:44:25,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,413 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 12:44:25,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,449 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 12:44:25,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,489 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 12:44:25,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,524 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 12:44:25,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-23 12:44:25,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,557 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 12:44:25,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,630 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 12:44:25,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,667 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 12:44:25,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,698 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 12:44:25,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,732 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 12:44:25,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-23 12:44:25,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,765 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 12:44:25,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 12:44:25,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,795 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 12:44:25,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:25,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,858 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 12:44:25,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-23 12:44:25,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,905 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 12:44:25,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:25,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:25,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-23 12:44:25,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,936 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 12:44:25,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:25,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-23 12:44:25,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:25,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:25,973 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:25,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 12:44:25,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:25,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:25,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:25,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:25,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:25,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:25,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:25,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:25,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:26,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,002 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 12:44:26,003 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 [2021-11-23 12:44:26,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:26,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:26,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-23 12:44:26,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,033 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 12:44:26,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:26,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:26,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 12:44:26,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,065 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 12:44:26,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:26,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:26,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:26,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-23 12:44:26,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,095 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 12:44:26,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:26,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:26,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:26,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-23 12:44:26,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,124 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 12:44:26,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:26,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:26,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:26,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:26,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,157 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 12:44:26,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:26,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:26,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:26,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:26,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,189 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 12:44:26,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:26,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:26,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-23 12:44:26,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,241 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 12:44:26,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:44:26,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:44:26,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:44:26,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-23 12:44:26,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,270 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 12:44:26,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:26,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:26,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:44:26,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-23 12:44:26,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,303 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 12:44:26,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:44:26,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:44:26,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:44:26,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:44:26,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:44:26,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:44:26,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:44:26,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:44:26,350 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-23 12:44:26,350 INFO L444 ModelExtractionUtils]: 33 out of 49 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-23 12:44:26,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:44:26,355 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:44:26,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 12:44:26,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:44:26,366 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:44:26,366 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:44:26,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1#1, ULTIMATE.start_free_17_~len#1) = -1*ULTIMATE.start_free_17_~i~1#1 + 1*ULTIMATE.start_free_17_~len#1 Supporting invariants [] [2021-11-23 12:44:26,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-23 12:44:26,400 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-11-23 12:44:26,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:44:26,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:44:26,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:44:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:44:26,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:44:26,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:44:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:44:26,526 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-23 12:44:26,527 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:44:26,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 51 states and 60 transitions. Complement of second has 4 states. [2021-11-23 12:44:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 12:44:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:44:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2021-11-23 12:44:26,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 35 letters. Loop has 2 letters. [2021-11-23 12:44:26,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:44:26,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 37 letters. Loop has 2 letters. [2021-11-23 12:44:26,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:44:26,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 35 letters. Loop has 4 letters. [2021-11-23 12:44:26,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:44:26,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2021-11-23 12:44:26,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 12:44:26,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 43 transitions. [2021-11-23 12:44:26,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-23 12:44:26,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-23 12:44:26,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 43 transitions. [2021-11-23 12:44:26,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:44:26,542 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-11-23 12:44:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 43 transitions. [2021-11-23 12:44:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-11-23 12:44:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:44:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2021-11-23 12:44:26,545 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-11-23 12:44:26,545 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-11-23 12:44:26,545 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-23 12:44:26,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2021-11-23 12:44:26,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 12:44:26,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:44:26,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:44:26,546 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:44:26,547 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:44:26,547 INFO L791 eck$LassoCheckResult]: Stem: 1318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1327#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1326#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 1320#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1321#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1331#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1332#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1316#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1317#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1354#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1353#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1352#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1351#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1350#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1349#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1348#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1347#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1346#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1345#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1344#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1343#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1342#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1341#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1340#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1339#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1333#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1334#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1337#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1338#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1324#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1325#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1328#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1335#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1336#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1322#L766 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1323#L766-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1330#L771-3 [2021-11-23 12:44:26,547 INFO L793 eck$LassoCheckResult]: Loop: 1330#L771-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1329#L771-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1330#L771-3 [2021-11-23 12:44:26,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,548 INFO L85 PathProgramCache]: Analyzing trace with hash -14863959, now seen corresponding path program 1 times [2021-11-23 12:44:26,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:44:26,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575079965] [2021-11-23 12:44:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:44:26,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:44:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:44:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 12:44:26,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:44:26,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575079965] [2021-11-23 12:44:26,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575079965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:44:26,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:44:26,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 12:44:26,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977378878] [2021-11-23 12:44:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:44:26,600 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 12:44:26,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 2 times [2021-11-23 12:44:26,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:44:26,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376231333] [2021-11-23 12:44:26,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:44:26,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:44:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,604 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:44:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,607 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:44:26,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:44:26,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:44:26,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:44:26,723 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:44:26,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:44:26,747 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2021-11-23 12:44:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:44:26,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 49 transitions. [2021-11-23 12:44:26,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 12:44:26,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 44 states and 47 transitions. [2021-11-23 12:44:26,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-23 12:44:26,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-23 12:44:26,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 47 transitions. [2021-11-23 12:44:26,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 12:44:26,750 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 47 transitions. [2021-11-23 12:44:26,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 47 transitions. [2021-11-23 12:44:26,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2021-11-23 12:44:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:44:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-11-23 12:44:26,753 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-11-23 12:44:26,753 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-11-23 12:44:26,753 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-23 12:44:26,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2021-11-23 12:44:26,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 12:44:26,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:44:26,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:44:26,754 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:44:26,754 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:44:26,755 INFO L791 eck$LassoCheckResult]: Stem: 1412#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1413#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset, entry_point_#t~post45#1, entry_point_#t~ret46#1, entry_point_~i~2#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset;havoc entry_point_~i~2#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1421#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1416#L529 entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset;havoc entry_point_#t~ret44#1.base, entry_point_#t~ret44#1.offset; 1414#L787 assume entry_point_~array~0#1.base != 0 || entry_point_~array~0#1.offset != 0;entry_point_~i~2#1 := 0; 1415#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1425#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1426#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1410#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1411#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1448#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1447#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1446#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1445#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1444#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1443#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1442#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1441#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1440#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1439#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1438#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1437#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1436#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1435#L788-3 assume !!(entry_point_~i~2#1 < entry_point_~len~0#1);call write~$Pointer$(0, 0, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~2#1, 4); 1434#L788-2 entry_point_#t~post45#1 := entry_point_~i~2#1;entry_point_~i~2#1 := 1 + entry_point_#t~post45#1;havoc entry_point_#t~post45#1; 1433#L788-3 assume !(entry_point_~i~2#1 < entry_point_~len~0#1); 1427#L788-4 assume { :begin_inline_alloc_17 } true;alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset, alloc_17_#in~len#1 := entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~len~0#1;havoc alloc_17_#res#1;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset, alloc_17_#t~post38#1, alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset, alloc_17_#t~post40#1, alloc_17_~array#1.base, alloc_17_~array#1.offset, alloc_17_~len#1, alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~i~0#1, alloc_17_~j~0#1;alloc_17_~array#1.base, alloc_17_~array#1.offset := alloc_17_#in~array#1.base, alloc_17_#in~array#1.offset;alloc_17_~len#1 := alloc_17_#in~len#1;havoc alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset;alloc_17_~i~0#1 := 0;havoc alloc_17_~j~0#1; 1428#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1431#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 1432#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1419#L766 assume !(alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0);call write~$Pointer$(alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~i~0#1, 4); 1420#L764-2 alloc_17_#t~post38#1 := alloc_17_~i~0#1;alloc_17_~i~0#1 := 1 + alloc_17_#t~post38#1;havoc alloc_17_#t~post38#1; 1422#L764-3 assume !!(alloc_17_~i~0#1 < alloc_17_~len#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 1429#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 1430#L529-1 alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;alloc_17_~p~0#1.base, alloc_17_~p~0#1.offset := alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset;havoc alloc_17_#t~ret39#1.base, alloc_17_#t~ret39#1.offset; 1417#L766 assume alloc_17_~p~0#1.base == 0 && alloc_17_~p~0#1.offset == 0; 1418#L766-1 alloc_17_~j~0#1 := alloc_17_~i~0#1 - 1; 1424#L771-3 [2021-11-23 12:44:26,755 INFO L793 eck$LassoCheckResult]: Loop: 1424#L771-3 assume !!(alloc_17_~j~0#1 >= 0);call alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset := read~$Pointer$(alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset);havoc alloc_17_#t~mem41#1.base, alloc_17_#t~mem41#1.offset;call write~$Pointer$(0, 0, alloc_17_~array#1.base, alloc_17_~array#1.offset + 4 * alloc_17_~j~0#1, 4); 1423#L771-2 alloc_17_#t~post40#1 := alloc_17_~j~0#1;alloc_17_~j~0#1 := alloc_17_#t~post40#1 - 1;havoc alloc_17_#t~post40#1; 1424#L771-3 [2021-11-23 12:44:26,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash -694922329, now seen corresponding path program 1 times [2021-11-23 12:44:26,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:44:26,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98047292] [2021-11-23 12:44:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:44:26,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:44:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:44:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:44:26,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2947, now seen corresponding path program 3 times [2021-11-23 12:44:26,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:44:26,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708109628] [2021-11-23 12:44:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:44:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:44:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,807 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:44:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:44:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:44:26,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2100425303, now seen corresponding path program 1 times [2021-11-23 12:44:26,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:44:26,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368500921] [2021-11-23 12:44:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:44:26,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:44:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,833 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:44:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:44:26,904 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:44:26,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-23 12:47:56,287 WARN L227 SmtUtils]: Spent 3.49m on a formula simplification. DAG size of input: 445 DAG size of output: 358 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:48:02,472 WARN L227 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:48:02,475 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:48:02,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:48:02,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:48:02,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:48:02,475 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:48:02,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:48:02,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:48:02,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_1-2.i_Iteration11_Lasso [2021-11-23 12:48:02,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:48:02,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:48:02,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:03,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:03,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:03,997 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:48:03,998 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:48:03,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:03,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,013 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 12:48:04,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-23 12:48:04,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,073 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 12:48:04,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,110 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 12:48:04,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,147 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 12:48:04,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,203 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 12:48:04,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,242 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 12:48:04,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 12:48:04,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,281 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 12:48:04,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 12:48:04,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,320 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 12:48:04,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,357 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 12:48:04,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,396 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 12:48:04,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,433 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 12:48:04,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-23 12:48:04,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,474 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 12:48:04,476 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 [2021-11-23 12:48:04,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-23 12:48:04,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,514 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 12:48:04,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-23 12:48:04,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,553 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 12:48:04,554 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 [2021-11-23 12:48:04,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-23 12:48:04,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,589 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 12:48:04,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-23 12:48:04,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,629 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 12:48:04,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,669 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 12:48:04,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,706 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 12:48:04,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-23 12:48:04,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,741 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-23 12:48:04,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-23 12:48:04,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,781 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-23 12:48:04,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,817 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-23 12:48:04,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,856 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-23 12:48:04,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:04,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-23 12:48:04,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,896 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-23 12:48:04,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:04,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:04,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:04,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:04,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:04,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,931 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-23 12:48:04,932 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 [2021-11-23 12:48:04,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:04,941 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-23 12:48:04,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:04,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:04,950 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:48:04,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:04,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:04,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:04,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:04,992 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-23 12:48:04,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:05,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:05,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:05,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:05,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:05,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:05,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:05,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:05,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-23 12:48:05,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:05,032 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:05,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-23 12:48:05,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:05,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:05,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:05,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:05,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:05,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:05,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:05,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:05,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:05,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:05,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:05,111 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:05,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:05,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-23 12:48:05,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:05,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:05,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:05,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:05,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:05,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:05,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:05,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:05,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:05,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:05,151 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-23 12:48:05,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:05,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:05,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:05,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:05,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:05,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:05,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:05,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:05,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:05,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:05,191 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:05,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-23 12:48:05,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:05,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:05,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:05,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:05,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:05,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:05,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:05,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:48:05,273 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-11-23 12:48:05,273 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-11-23 12:48:05,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:05,274 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:05,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-23 12:48:05,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:48:05,285 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:48:05,285 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:48:05,285 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~j~0#1) = 2*ULTIMATE.start_alloc_17_~j~0#1 + 1 Supporting invariants [] [2021-11-23 12:48:05,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:05,339 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2021-11-23 12:48:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:05,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:48:05,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:05,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:48:05,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:48:05,516 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-23 12:48:05,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:05,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 41 states and 45 transitions. Complement of second has 4 states. [2021-11-23 12:48:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 12:48:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-11-23 12:48:05,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 37 letters. Loop has 2 letters. [2021-11-23 12:48:05,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:05,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 39 letters. Loop has 2 letters. [2021-11-23 12:48:05,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:05,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 37 letters. Loop has 4 letters. [2021-11-23 12:48:05,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:05,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 45 transitions. [2021-11-23 12:48:05,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 12:48:05,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-11-23 12:48:05,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 12:48:05,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 12:48:05,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 12:48:05,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:48:05,538 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:05,538 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:05,539 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:05,539 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-23 12:48:05,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 12:48:05,539 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 12:48:05,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 12:48:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:48:05 BoogieIcfgContainer [2021-11-23 12:48:05,546 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:48:05,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:48:05,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:48:05,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:48:05,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:51" (3/4) ... [2021-11-23 12:48:05,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:48:05,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:48:05,551 INFO L158 Benchmark]: Toolchain (without parser) took 495013.55ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 68.4MB in the beginning and 41.5MB in the end (delta: 26.8MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,551 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:48:05,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.36ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 76.5MB in the end (delta: -8.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.38ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,552 INFO L158 Benchmark]: Boogie Preprocessor took 67.87ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,553 INFO L158 Benchmark]: RCFGBuilder took 420.01ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 60.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,553 INFO L158 Benchmark]: BuchiAutomizer took 493747.63ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 41.5MB in the end (delta: 18.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2021-11-23 12:48:05,553 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 140.5MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:48:05,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.36ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 76.5MB in the end (delta: -8.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.38ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.87ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.01ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 60.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 493747.63ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 41.5MB in the end (delta: 18.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 140.5MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (7 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * array + -4 * i + unknown-#length-unknown[\result] and consists of 5 locations. One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function len + -1 * i and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 493.7s and 12 iterations. TraceHistogramMax:10. Analysis of lassos took 492.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 51 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 49 states and ocurred in iteration 8. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 291 mSDsluCounter, 559 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 310 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 249 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital451 mio100 ax108 hnf100 lsp88 ukn43 mio100 lsp49 div100 bol100 ite100 ukn100 eq187 hnf90 smp100 dnf107 smp97 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 7 VariablesLoop: 2 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 12:48:05,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:05,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-23 12:48:06,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-23 12:48:06,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3947f3-2235-49db-a3a8-c611fc7ab36c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE