./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:08:49,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:49,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:49,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:49,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:49,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:49,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:49,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:49,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:49,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:49,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:49,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:49,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:49,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:49,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:49,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:49,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:49,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:49,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:49,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:49,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:49,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:49,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:49,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:49,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:49,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:49,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:49,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:49,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:49,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:49,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:49,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:49,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:49,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:49,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:49,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:49,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:49,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:49,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:49,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:49,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:49,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:08:49,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:49,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:49,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:49,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:49,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:49,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:49,263 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:49,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:08:49,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:08:49,264 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:08:49,265 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:08:49,265 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:08:49,265 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:08:49,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:49,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:08:49,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:08:49,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:49,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:08:49,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:49,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:08:49,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:08:49,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:08:49,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:08:49,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:49,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:08:49,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:49,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:08:49,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:49,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:49,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:49,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:49,273 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:08:49,273 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_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2022-11-02 21:08:49,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:49,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:49,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:49,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:49,560 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:49,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-11-02 21:08:49,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/data/97edf7143/263195f0358346f597c39e12dc641ec9/FLAG4fa8229ac [2022-11-02 21:08:50,149 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:50,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-11-02 21:08:50,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/data/97edf7143/263195f0358346f597c39e12dc641ec9/FLAG4fa8229ac [2022-11-02 21:08:50,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/data/97edf7143/263195f0358346f597c39e12dc641ec9 [2022-11-02 21:08:50,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:50,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:50,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:50,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:50,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:50,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:50,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d17035c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50, skipping insertion in model container [2022-11-02 21:08:50,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:50,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:50,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:50,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-11-02 21:08:50,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:50,873 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:50,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-11-02 21:08:50,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:50,984 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:50,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50 WrapperNode [2022-11-02 21:08:50,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:50,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:50,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:50,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:50,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,029 INFO L138 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-11-02 21:08:51,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:51,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:51,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:51,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:51,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:51,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:51,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:51,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:51,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (1/1) ... [2022-11-02 21:08:51,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:51,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:51,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:51,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:51,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:51,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:51,558 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:51,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:51,564 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:08:51,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:51 BoogieIcfgContainer [2022-11-02 21:08:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:51,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:08:51,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:08:51,571 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:08:51,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:08:51,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:08:50" (1/3) ... [2022-11-02 21:08:51,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2e7268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:08:51, skipping insertion in model container [2022-11-02 21:08:51,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:08:51,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:50" (2/3) ... [2022-11-02 21:08:51,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2e7268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:08:51, skipping insertion in model container [2022-11-02 21:08:51,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:08:51,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:51" (3/3) ... [2022-11-02 21:08:51,592 INFO L332 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2022-11-02 21:08:51,649 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:08:51,649 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:08:51,649 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:08:51,650 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:08:51,650 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:08:51,650 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:08:51,650 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:08:51,651 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:08:51,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) [2022-11-02 21:08:51,689 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-02 21:08:51,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:51,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:51,698 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 21:08:51,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 21:08:51,698 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:08:51,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) [2022-11-02 21:08:51,703 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-11-02 21:08:51,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:51,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:51,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 21:08:51,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 21:08:51,714 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L533true assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 2#L525true [2022-11-02 21:08:51,714 INFO L750 eck$LassoCheckResult]: Loop: 2#L525true assume true; 2#L525true [2022-11-02 21:08:51,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:51,722 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-02 21:08:51,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:51,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969686360] [2022-11-02 21:08:51,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:51,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:51,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969686360] [2022-11-02 21:08:51,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969686360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:51,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:51,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:51,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491908273] [2022-11-02 21:08:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:51,995 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:08:51,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:51,999 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2022-11-02 21:08:51,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:52,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848511353] [2022-11-02 21:08:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:52,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:52,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:52,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:52,105 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:52,139 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-11-02 21:08:52,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2022-11-02 21:08:52,144 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-02 21:08:52,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2022-11-02 21:08:52,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-02 21:08:52,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-02 21:08:52,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-02 21:08:52,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:52,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-02 21:08:52,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-02 21:08:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-02 21:08:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-02 21:08:52,194 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-02 21:08:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:52,201 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-02 21:08:52,201 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:08:52,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-11-02 21:08:52,204 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-02 21:08:52,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:52,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:52,205 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 21:08:52,205 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:08:52,205 INFO L748 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 56#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 57#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 49#L537-2 [2022-11-02 21:08:52,206 INFO L750 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 58#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 49#L537-2 [2022-11-02 21:08:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:52,206 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2022-11-02 21:08:52,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:52,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337591510] [2022-11-02 21:08:52,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:52,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:52,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:52,259 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2022-11-02 21:08:52,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:52,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555453354] [2022-11-02 21:08:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:52,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2022-11-02 21:08:52,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:52,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224177284] [2022-11-02 21:08:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:52,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:52,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:53,268 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:08:53,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:08:53,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:08:53,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:08:53,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:08:53,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:53,270 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:08:53,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:08:53,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2022-11-02 21:08:53,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:08:53,271 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:08:53,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:53,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:08:54,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:08:54,301 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:08:54,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 21:08:54,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 21:08:54,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 21:08:54,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-02 21:08:54,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 21:08:54,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 21:08:54,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-02 21:08:54,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 21:08:54,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:54,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:54,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 21:08:54,699 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 [2022-11-02 21:08:54,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 21:08:54,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 21:08:54,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,818 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 21:08:54,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 21:08:54,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:54,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:54,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:54,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:54,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:54,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:54,940 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:54,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 21:08:54,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:54,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:54,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:54,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:54,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:54,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:54,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:54,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,008 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 21:08:55,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,089 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,099 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 [2022-11-02 21:08:55,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:55,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:55,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 21:08:55,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 21:08:55,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,219 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 21:08:55,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,231 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 21:08:55,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,232 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 21:08:55,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,257 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 21:08:55,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,302 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 21:08:55,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 21:08:55,359 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 [2022-11-02 21:08:55,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,369 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 21:08:55,369 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 21:08:55,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,388 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-02 21:08:55,389 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-02 21:08:55,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,454 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 21:08:55,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,514 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 21:08:55,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:55,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:55,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,588 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 21:08:55,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:55,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:55,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,688 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 21:08:55,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,762 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 21:08:55,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,830 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:55,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:55,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:55,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 21:08:55,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:55,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,874 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 21:08:55,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:55,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:55,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:55,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-02 21:08:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:55,917 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:55,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 21:08:55,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:55,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:55,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:55,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:55,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:55,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:55,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:55,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,002 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 21:08:56,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,072 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 21:08:56,074 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 [2022-11-02 21:08:56,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,114 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 21:08:56,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:56,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:56,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:56,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 21:08:56,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,156 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,158 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 [2022-11-02 21:08:56,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 21:08:56,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 21:08:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,222 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 21:08:56,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 21:08:56,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,274 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:56,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:56,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:56,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 21:08:56,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,345 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 21:08:56,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 21:08:56,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,424 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 21:08:56,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-02 21:08:56,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,469 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 21:08:56,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-02 21:08:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,513 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 21:08:56,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,554 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 21:08:56,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:08:56,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:08:56,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:08:56,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:08:56,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-02 21:08:56,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,605 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 21:08:56,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:08:56,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:08:56,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:08:56,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:08:56,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:08:56,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:08:56,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:08:56,650 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:08:56,674 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-02 21:08:56,675 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-02 21:08:56,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:08:56,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:56,678 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 21:08:56,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:08:56,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:08:56,758 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:08:56,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2022-11-02 21:08:56,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:56,842 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-02 21:08:56,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:56,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:08:56,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:08:56,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:56,939 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:08:56,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:56,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 19 states and 26 transitions. Complement of second has 7 states. [2022-11-02 21:08:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:08:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-02 21:08:56,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-02 21:08:56,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:08:56,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-02 21:08:56,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:08:56,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-02 21:08:56,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:08:56,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2022-11-02 21:08:56,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-02 21:08:56,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2022-11-02 21:08:56,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 21:08:56,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:08:56,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-11-02 21:08:56,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:08:56,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-02 21:08:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-11-02 21:08:56,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-02 21:08:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-02 21:08:56,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-02 21:08:56,996 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-02 21:08:56,997 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:08:56,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-02 21:08:56,997 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-02 21:08:56,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:56,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:56,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:08:56,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:08:56,998 INFO L748 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 169#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 170#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 171#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 166#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 167#L549-2 [2022-11-02 21:08:56,999 INFO L750 eck$LassoCheckResult]: Loop: 167#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 175#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 176#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 167#L549-2 [2022-11-02 21:08:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2022-11-02 21:08:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982699065] [2022-11-02 21:08:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2022-11-02 21:08:57,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847316577] [2022-11-02 21:08:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2022-11-02 21:08:57,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370703908] [2022-11-02 21:08:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:57,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:57,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370703908] [2022-11-02 21:08:57,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370703908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:57,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:57,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799355869] [2022-11-02 21:08:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:57,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:57,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:08:57,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:57,440 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:57,540 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-11-02 21:08:57,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2022-11-02 21:08:57,542 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2022-11-02 21:08:57,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2022-11-02 21:08:57,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-02 21:08:57,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-02 21:08:57,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2022-11-02 21:08:57,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:08:57,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-02 21:08:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2022-11-02 21:08:57,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2022-11-02 21:08:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-11-02 21:08:57,547 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-02 21:08:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:57,548 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-02 21:08:57,548 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 21:08:57,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-11-02 21:08:57,549 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-02 21:08:57,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:57,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:57,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:08:57,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 21:08:57,550 INFO L748 eck$LassoCheckResult]: Stem: 223#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 229#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 230#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 234#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 231#L540 assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 232#L525-1 [2022-11-02 21:08:57,550 INFO L750 eck$LassoCheckResult]: Loop: 232#L525-1 assume true; 232#L525-1 [2022-11-02 21:08:57,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,550 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2022-11-02 21:08:57,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321313434] [2022-11-02 21:08:57,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:57,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:57,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321313434] [2022-11-02 21:08:57,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321313434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:57,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:57,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:57,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075247529] [2022-11-02 21:08:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:57,575 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:08:57,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,576 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2022-11-02 21:08:57,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327853806] [2022-11-02 21:08:57,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:57,583 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:57,590 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-02 21:08:57,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-02 21:08:57,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-11-02 21:08:57,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2022-11-02 21:08:57,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 21:08:57,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 21:08:57,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-11-02 21:08:57,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:57,592 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-02 21:08:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-11-02 21:08:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-02 21:08:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-02 21:08:57,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-02 21:08:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:57,594 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-02 21:08:57,594 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 21:08:57,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-02 21:08:57,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 21:08:57,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:57,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:57,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:57,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 21:08:57,596 INFO L748 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 272#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 273#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 274#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 269#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 270#L549-2 assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); 271#L549-3 main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; 268#L557-2 [2022-11-02 21:08:57,596 INFO L750 eck$LassoCheckResult]: Loop: 268#L557-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset; 268#L557-2 [2022-11-02 21:08:57,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2022-11-02 21:08:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679939754] [2022-11-02 21:08:57,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:57,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:57,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679939754] [2022-11-02 21:08:57,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679939754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:57,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:57,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:57,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637135046] [2022-11-02 21:08:57,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:57,633 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:08:57,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,633 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2022-11-02 21:08:57,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032666436] [2022-11-02 21:08:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:57,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:57,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:57,709 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:57,752 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-02 21:08:57,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-11-02 21:08:57,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 21:08:57,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2022-11-02 21:08:57,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 21:08:57,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 21:08:57,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-11-02 21:08:57,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:57,758 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-02 21:08:57,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-11-02 21:08:57,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-11-02 21:08:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-02 21:08:57,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-02 21:08:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:08:57,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-02 21:08:57,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 21:08:57,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-11-02 21:08:57,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 21:08:57,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:08:57,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:08:57,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:57,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:08:57,767 INFO L748 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 319#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 320#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 321#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 322#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 311#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 312#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 316#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 317#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 323#L550 [2022-11-02 21:08:57,767 INFO L750 eck$LassoCheckResult]: Loop: 323#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 324#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 325#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 323#L550 [2022-11-02 21:08:57,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,767 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2022-11-02 21:08:57,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801484779] [2022-11-02 21:08:57,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,847 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2022-11-02 21:08:57,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911629908] [2022-11-02 21:08:57,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:08:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:08:57,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:08:57,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2022-11-02 21:08:57,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:57,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005594373] [2022-11-02 21:08:57,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:57,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:58,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005594373] [2022-11-02 21:08:58,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005594373] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398363720] [2022-11-02 21:08:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:58,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:58,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:58,203 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:58,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-02 21:08:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:58,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-02 21:08:58,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:58,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:08:58,384 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-02 21:08:58,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-02 21:08:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:08:58,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-02 21:08:58,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:08:58,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 21:08:58,518 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:08:58,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-11-02 21:08:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:58,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:08:58,592 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)))) is different from false [2022-11-02 21:08:58,647 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) is different from false [2022-11-02 21:08:58,716 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:08:58,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2022-11-02 21:08:58,738 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:08:58,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-11-02 21:08:58,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-02 21:08:58,762 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 21:08:58,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-02 21:08:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-02 21:08:58,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398363720] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:08:58,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:08:58,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2022-11-02 21:08:58,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207511344] [2022-11-02 21:08:58,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:08:58,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:58,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-02 21:08:58,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=224, Unknown=2, NotChecked=62, Total=342 [2022-11-02 21:08:58,986 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:59,479 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~a~0#1.base|) 1) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse0 |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) is different from false [2022-11-02 21:08:59,882 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse0 |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) is different from false [2022-11-02 21:09:00,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:00,068 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-11-02 21:09:00,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2022-11-02 21:09:00,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 21:09:00,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 25 transitions. [2022-11-02 21:09:00,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 21:09:00,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 21:09:00,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2022-11-02 21:09:00,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:09:00,070 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-02 21:09:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2022-11-02 21:09:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-11-02 21:09:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 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) [2022-11-02 21:09:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-02 21:09:00,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-02 21:09:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:09:00,073 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-02 21:09:00,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 21:09:00,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-11-02 21:09:00,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 21:09:00,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:09:00,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:09:00,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:00,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:09:00,075 INFO L748 eck$LassoCheckResult]: Stem: 464#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 470#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 471#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 473#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 474#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 479#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 475#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 472#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 462#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 463#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 467#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 468#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 476#L550 [2022-11-02 21:09:00,075 INFO L750 eck$LassoCheckResult]: Loop: 476#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 477#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 478#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 476#L550 [2022-11-02 21:09:00,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2022-11-02 21:09:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:00,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259838085] [2022-11-02 21:09:00,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:00,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:09:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:00,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:09:00,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2022-11-02 21:09:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:00,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046199701] [2022-11-02 21:09:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:00,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:09:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:09:00,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:09:00,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:00,156 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2022-11-02 21:09:00,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:00,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938618485] [2022-11-02 21:09:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:00,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:09:00,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:00,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938618485] [2022-11-02 21:09:00,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938618485] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:09:00,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225831948] [2022-11-02 21:09:00,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:09:00,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:09:00,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:00,717 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:09:00,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-11-02 21:09:00,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:09:00,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:09:00,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-02 21:09:00,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:09:00,856 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-02 21:09:00,908 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-02 21:09:00,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-02 21:09:00,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:09:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 21:09:00,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-02 21:09:01,016 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-02 21:09:01,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-02 21:09:01,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:09:01,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:09:01,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-02 21:09:01,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 21:09:01,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 21:09:01,147 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:09:01,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-11-02 21:09:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:09:01,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:09:01,347 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)) (not (= 0 (select |c_#valid| |v_ULTIMATE.start_main_~t~0#1.base_55|))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)))) is different from false [2022-11-02 21:09:01,375 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-02 21:09:01,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-02 21:09:01,392 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) is different from false [2022-11-02 21:09:01,448 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:09:01,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-11-02 21:09:01,469 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:09:01,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 68 [2022-11-02 21:09:01,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2022-11-02 21:09:01,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-11-02 21:09:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-02 21:09:01,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225831948] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:09:01,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:09:01,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 24 [2022-11-02 21:09:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491854556] [2022-11-02 21:09:01,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:09:01,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-02 21:09:01,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=389, Unknown=2, NotChecked=82, Total=552 [2022-11-02 21:09:01,754 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:09:02,359 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~a~0#1.base|) 1) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse0 |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) is different from false [2022-11-02 21:09:02,873 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|))) (and (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store .cse0 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse0 |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) is different from false [2022-11-02 21:09:02,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:02,989 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-02 21:09:02,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2022-11-02 21:09:02,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:09:02,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-11-02 21:09:02,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 21:09:02,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 21:09:02,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 21:09:02,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:09:02,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:02,990 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:09:02,991 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:02,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 21:09:02,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:09:02,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:09:02,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 21:09:02,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:09:02 BoogieIcfgContainer [2022-11-02 21:09:02,998 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:09:02,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:09:02,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:09:02,998 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:09:02,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:51" (3/4) ... [2022-11-02 21:09:03,001 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:09:03,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:09:03,002 INFO L158 Benchmark]: Toolchain (without parser) took 12541.96ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 51.8MB in the beginning and 55.5MB in the end (delta: -3.6MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-11-02 21:09:03,002 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:03,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.20ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 78.4MB in the end (delta: -26.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:03,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.13ms. Allocated memory is still 109.1MB. Free memory was 78.4MB in the beginning and 76.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:03,003 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:03,003 INFO L158 Benchmark]: RCFGBuilder took 504.90ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 62.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 21:09:03,004 INFO L158 Benchmark]: BuchiAutomizer took 11430.46ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 61.6MB in the beginning and 55.5MB in the end (delta: 6.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:03,004 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 159.4MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:03,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.20ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 78.4MB in the end (delta: -26.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.13ms. Allocated memory is still 109.1MB. Free memory was 78.4MB in the beginning and 76.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.87ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.90ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 62.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 11430.46ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 61.6MB in the beginning and 55.5MB in the end (delta: 6.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 159.4MB. Free memory is still 55.5MB. 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 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.3s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.2s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 85 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 67 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax108 hnf100 lsp87 ukn59 mio100 lsp20 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 21:09:03,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-11-02 21:09:03,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-11-02 21:09:03,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d6b30b-4314-4391-9f8e-9e6865376032/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE