./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e35e1f5dba77fd8ed843a6cdfa0fc21590233839dbc71bb991dc25008dd4b76 --- 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-6b4ec56 [2022-11-20 11:49:13,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:49:13,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:49:13,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:49:13,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:49:13,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:49:13,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:49:13,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:49:13,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:49:13,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:49:13,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:49:13,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:49:13,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:49:13,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:49:13,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:49:13,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:49:13,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:49:13,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:49:13,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:49:13,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:49:13,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:49:13,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:49:13,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:49:13,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:49:13,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:49:13,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:49:13,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:49:13,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:49:13,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:49:13,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:49:13,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:49:13,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:49:13,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:49:13,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:49:13,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:49:13,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:49:13,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:49:13,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:49:13,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:49:13,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:49:13,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:49:13,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:49:13,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:49:13,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:49:13,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:49:13,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:49:13,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:49:13,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:49:13,287 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:49:13,287 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:49:13,288 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:49:13,288 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:49:13,289 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:49:13,289 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:49:13,289 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:49:13,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:49:13,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:49:13,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:49:13,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:49:13,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:49:13,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:49:13,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:49:13,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:49:13,291 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:49:13,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:49:13,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:49:13,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:49:13,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:49:13,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:49:13,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:49:13,295 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:49:13,295 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e35e1f5dba77fd8ed843a6cdfa0fc21590233839dbc71bb991dc25008dd4b76 [2022-11-20 11:49:13,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:49:13,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:49:13,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:49:13,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:49:13,614 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:49:13,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i [2022-11-20 11:49:16,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:49:17,018 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:49:17,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i [2022-11-20 11:49:17,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/data/5b6e6f3c0/d0d6102b099545a4b739f64f4b765f05/FLAG48afca2ad [2022-11-20 11:49:17,060 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/data/5b6e6f3c0/d0d6102b099545a4b739f64f4b765f05 [2022-11-20 11:49:17,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:49:17,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:49:17,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:49:17,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:49:17,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:49:17,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0ed7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17, skipping insertion in model container [2022-11-20 11:49:17,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:49:17,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:49:17,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:49:17,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:49:17,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:49:17,569 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:49:17,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17 WrapperNode [2022-11-20 11:49:17,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:49:17,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:49:17,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:49:17,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:49:17,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,610 INFO L138 Inliner]: procedures = 110, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-20 11:49:17,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:49:17,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:49:17,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:49:17,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:49:17,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:49:17,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:49:17,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:49:17,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:49:17,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (1/1) ... [2022-11-20 11:49:17,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:17,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:17,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:17,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:49:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:49:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:49:17,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:49:17,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:49:18,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:49:18,136 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:49:18,136 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:49:18,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:18 BoogieIcfgContainer [2022-11-20 11:49:18,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:49:18,139 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:49:18,140 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:49:18,144 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:49:18,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:49:18,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:49:17" (1/3) ... [2022-11-20 11:49:18,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce84df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:49:18, skipping insertion in model container [2022-11-20 11:49:18,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:49:18,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:17" (2/3) ... [2022-11-20 11:49:18,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce84df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:49:18, skipping insertion in model container [2022-11-20 11:49:18,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:49:18,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:18" (3/3) ... [2022-11-20 11:49:18,148 INFO L332 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i [2022-11-20 11:49:18,199 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:49:18,199 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:49:18,200 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:49:18,200 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:49:18,200 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:49:18,200 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:49:18,200 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:49:18,200 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:49:18,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:18,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:49:18,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:49:18,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:49:18,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:49:18,226 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:49:18,226 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:49:18,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:18,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:49:18,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:49:18,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:49:18,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:49:18,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:49:18,236 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem12#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem8#1, main_#t~mem9#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~n~0#1.base, main_~n~0#1.offset, 4);havoc main_#t~nondet7#1; 7#L554-3true [2022-11-20 11:49:18,236 INFO L750 eck$LassoCheckResult]: Loop: 7#L554-3true call main_#t~mem8#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~n~0#1.base, main_~n~0#1.offset, 4); 9#L554-1true assume !!(main_#t~mem8#1 < main_#t~mem9#1);havoc main_#t~mem8#1;havoc main_#t~mem9#1;call write~int(0, main_~j~0#1.base, main_~j~0#1.offset, 4); 6#L556-3true assume !true; 2#L556-4true call main_#t~mem13#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(1 + main_#t~mem13#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem13#1; 7#L554-3true [2022-11-20 11:49:18,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:49:18,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:18,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811250476] [2022-11-20 11:49:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:18,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:49:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:49:18,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:18,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2022-11-20 11:49:18,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867275515] [2022-11-20 11:49:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:18,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:18,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867275515] [2022-11-20 11:49:18,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867275515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:18,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:18,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:49:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360119605] [2022-11-20 11:49:18,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:18,530 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:49:18,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:18,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:49:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:49:18,564 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:18,576 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-11-20 11:49:18,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-11-20 11:49:18,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:49:18,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2022-11-20 11:49:18,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-20 11:49:18,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-20 11:49:18,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2022-11-20 11:49:18,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:49:18,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-20 11:49:18,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2022-11-20 11:49:18,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-20 11:49:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-20 11:49:18,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-20 11:49:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:49:18,635 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-20 11:49:18,635 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:49:18,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-20 11:49:18,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:49:18,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:49:18,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:49:18,638 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:49:18,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:49:18,639 INFO L748 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem12#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~mem8#1, main_#t~mem9#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~n~0#1.base, main_~n~0#1.offset, 4);havoc main_#t~nondet7#1; 31#L554-3 [2022-11-20 11:49:18,639 INFO L750 eck$LassoCheckResult]: Loop: 31#L554-3 call main_#t~mem8#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~n~0#1.base, main_~n~0#1.offset, 4); 36#L554-1 assume !!(main_#t~mem8#1 < main_#t~mem9#1);havoc main_#t~mem8#1;havoc main_#t~mem9#1;call write~int(0, main_~j~0#1.base, main_~j~0#1.offset, 4); 34#L556-3 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 35#L556-1 assume !(main_#t~mem10#1 <= main_#t~mem11#1);havoc main_#t~mem10#1;havoc main_#t~mem11#1; 30#L556-4 call main_#t~mem13#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(1 + main_#t~mem13#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem13#1; 31#L554-3 [2022-11-20 11:49:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-20 11:49:18,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:18,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207190330] [2022-11-20 11:49:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:49:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:49:18,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:18,805 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2022-11-20 11:49:18,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:18,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976515053] [2022-11-20 11:49:18,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:18,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:49:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:49:18,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:18,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2022-11-20 11:49:18,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:18,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146091934] [2022-11-20 11:49:18,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:18,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:49:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:49:18,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:49:19,961 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:49:19,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:49:19,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:49:19,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:49:19,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:49:19,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:19,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:49:19,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:49:19,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-2013CAV-Fig1-alloca-2.i_Iteration2_Lasso [2022-11-20 11:49:19,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:49:19,964 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:49:19,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:19,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:20,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:49:21,363 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:49:21,370 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:49:21,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:49:21,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:49:21,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:49:21,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:49:21,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:49:21,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:49:21,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:49:21,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:49:21,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:49:21,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:49:21,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:49:21,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:49:21,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:49:21,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:49:21,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:49:21,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,692 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:49:21,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:49:21,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:49:21,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:49:21,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:49:21,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:49:21,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:49:21,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:49:21,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:49:21,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,858 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:49:21,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,925 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:21,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:21,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:49:21,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:21,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:21,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:21,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:21,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:21,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:21,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:21,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:21,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:21,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:21,993 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:22,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:22,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:49:22,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:22,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:22,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:22,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:22,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:22,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:22,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:22,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:22,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:22,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:22,049 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:49:22,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:22,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:22,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:22,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:22,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:22,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:22,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:22,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:49:22,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:22,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:22,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:22,101 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:22,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:49:22,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:49:22,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:49:22,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:49:22,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:49:22,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:49:22,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:49:22,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:49:22,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:49:22,171 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:49:22,171 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:49:22,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:49:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:22,227 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:22,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:49:22,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:49:22,274 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:49:22,274 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:49:22,275 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 Supporting invariants [] [2022-11-20 11:49:22,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-20 11:49:22,434 INFO L156 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2022-11-20 11:49:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:22,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:22,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:22,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:49:22,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:22,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-20 11:49:22,614 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 11:49:22,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2022-11-20 11:49:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:22,823 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:49:22,825 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:22,876 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 18 transitions. Complement of second has 7 states. [2022-11-20 11:49:22,877 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 [2022-11-20 11:49:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2022-11-20 11:49:22,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-20 11:49:22,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:49:22,883 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:49:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:22,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:22,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:22,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:49:22,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,008 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 11:49:23,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2022-11-20 11:49:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:23,179 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:49:23,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 18 transitions. Complement of second has 7 states. [2022-11-20 11:49:23,205 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 [2022-11-20 11:49:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2022-11-20 11:49:23,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-20 11:49:23,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:49:23,208 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:49:23,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,319 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 11:49:23,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2022-11-20 11:49:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:23,447 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:49:23,447 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,473 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 18 transitions. Complement of second has 6 states. [2022-11-20 11:49:23,473 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 [2022-11-20 11:49:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 11:49:23,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-20 11:49:23,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:49:23,477 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:49:23,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,553 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 11:49:23,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2022-11-20 11:49:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:23,670 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:49:23,670 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 18 transitions. Complement of second has 6 states. [2022-11-20 11:49:23,700 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 [2022-11-20 11:49:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 11:49:23,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-20 11:49:23,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:49:23,704 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:49:23,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:23,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:49:23,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:23,779 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 11:49:23,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2022-11-20 11:49:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:23,914 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:49:23,915 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,980 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 90 transitions. Complement of second has 28 states 6 powerset states22 rank states. The highest rank that occured is 5 [2022-11-20 11:49:23,981 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 [2022-11-20 11:49:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:49:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-11-20 11:49:23,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-20 11:49:23,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:49:23,983 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:49:23,984 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:49:23,987 INFO L158 Benchmark]: Toolchain (without parser) took 6919.36ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 135.3MB in the beginning and 176.7MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:49:23,987 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:49:23,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.87ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 119.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:49:23,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.68ms. Allocated memory is still 182.5MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:49:23,989 INFO L158 Benchmark]: Boogie Preprocessor took 28.10ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 116.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:49:23,990 INFO L158 Benchmark]: RCFGBuilder took 498.63ms. Allocated memory is still 182.5MB. Free memory was 116.4MB in the beginning and 104.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:49:23,990 INFO L158 Benchmark]: BuchiAutomizer took 5846.86ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 176.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:49:23,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.87ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 119.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.68ms. Allocated memory is still 182.5MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.10ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 116.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.63ms. Allocated memory is still 182.5MB. Free memory was 116.4MB in the beginning and 104.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5846.86ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 176.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 11:49:24,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fab68c82-9f57-45f5-96df-a040f55edffc/bin/uautomizer-ug76WZFUDN/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient