./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d23b84347ad8f89b884566eade2030749c1dbcf7e12f4141b44403af4e899f5c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:08:37,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:08:37,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:08:37,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:08:37,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:08:37,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:08:37,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:08:37,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:08:37,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:08:37,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:08:37,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:08:37,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:08:37,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:08:38,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:08:38,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:08:38,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:08:38,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:08:38,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:08:38,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:08:38,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:08:38,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:08:38,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:08:38,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:08:38,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:08:38,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:08:38,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:08:38,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:08:38,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:08:38,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:08:38,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:08:38,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:08:38,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:08:38,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:08:38,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:08:38,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:08:38,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:08:38,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:08:38,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:08:38,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:08:38,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:08:38,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:08:38,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:08:38,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:08:38,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:08:38,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:08:38,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:08:38,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:08:38,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:08:38,119 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:08:38,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:08:38,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:08:38,120 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:08:38,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:08:38,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:08:38,122 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:08:38,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:08:38,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:08:38,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:08:38,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:08:38,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:08:38,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:08:38,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:08:38,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:08:38,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:08:38,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:08:38,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:08:38,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:08:38,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:08:38,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:08:38,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:08:38,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:08:38,129 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_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d23b84347ad8f89b884566eade2030749c1dbcf7e12f4141b44403af4e899f5c [2022-11-02 20:08:38,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:08:38,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:08:38,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:08:38,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:08:38,475 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:08:38,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2022-11-02 20:08:38,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/data/3c498b692/d64a9ec0e4e54bc2af2149bad6220686/FLAGee7d8071f [2022-11-02 20:08:39,295 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:08:39,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2022-11-02 20:08:39,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/data/3c498b692/d64a9ec0e4e54bc2af2149bad6220686/FLAGee7d8071f [2022-11-02 20:08:39,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/data/3c498b692/d64a9ec0e4e54bc2af2149bad6220686 [2022-11-02 20:08:39,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:08:39,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:08:39,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:08:39,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:08:39,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:08:39,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:39" (1/1) ... [2022-11-02 20:08:39,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260a7250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:39, skipping insertion in model container [2022-11-02 20:08:39,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:39" (1/1) ... [2022-11-02 20:08:39,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:08:39,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:08:40,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:08:40,124 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:08:40,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:08:40,196 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:08:40,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40 WrapperNode [2022-11-02 20:08:40,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:08:40,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:08:40,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:08:40,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:08:40,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,274 INFO L138 Inliner]: procedures = 111, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-02 20:08:40,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:08:40,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:08:40,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:08:40,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:08:40,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:08:40,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:08:40,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:08:40,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:08:40,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (1/1) ... [2022-11-02 20:08:40,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:40,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:40,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:08:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:08:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:08:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:08:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:08:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:08:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:08:40,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:08:40,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:08:40,797 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:08:40,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:08:40,805 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:08:40,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:40 BoogieIcfgContainer [2022-11-02 20:08:40,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:08:40,809 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:08:40,810 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:08:40,815 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:08:40,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:08:40,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:08:39" (1/3) ... [2022-11-02 20:08:40,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4575046f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:08:40, skipping insertion in model container [2022-11-02 20:08:40,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:08:40,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:40" (2/3) ... [2022-11-02 20:08:40,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4575046f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:08:40, skipping insertion in model container [2022-11-02 20:08:40,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:08:40,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:40" (3/3) ... [2022-11-02 20:08:40,825 INFO L332 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2022-11-02 20:08:40,916 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:08:40,917 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:08:40,917 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:08:40,917 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:08:40,917 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:08:40,918 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:08:40,918 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:08:40,918 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:08:40,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:40,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 20:08:40,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:08:40,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:08:40,971 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:08:40,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:08:40,972 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:08:40,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:40,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 20:08:40,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:08:40,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:08:40,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:08:40,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:08:40,996 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 5#L556true assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 7#L556-2true assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 6#L559-3true [2022-11-02 20:08:40,997 INFO L750 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 8#L559-1true assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 6#L559-3true [2022-11-02 20:08:41,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:41,009 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2022-11-02 20:08:41,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:41,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871368057] [2022-11-02 20:08:41,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:41,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:41,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2022-11-02 20:08:41,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:41,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414820749] [2022-11-02 20:08:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:41,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:41,539 INFO L85 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2022-11-02 20:08:41,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:41,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432582300] [2022-11-02 20:08:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:41,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:43,989 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:08:43,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:08:43,991 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:08:43,991 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:08:43,991 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:08:43,991 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:43,991 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:08:43,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:08:43,992 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2022-11-02 20:08:43,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:08:43,992 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:08:44,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:44,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:44,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:45,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:46,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:08:46,234 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:08:46,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:08:46,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:46,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:46,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:46,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:08:46,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:46,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:46,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:46,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:08:46,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,507 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:08:46,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:08:46,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:08:46,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,752 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:08:46,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,868 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:08:46,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:46,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:46,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:46,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:46,954 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:46,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:08:46,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:46,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:46,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:46,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:46,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:46,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:46,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:46,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:47,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:08:47,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:47,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:47,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:47,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:47,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:47,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:47,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:47,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:47,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:47,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:08:47,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:47,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:47,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:47,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:47,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:47,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:47,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:47,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,240 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:47,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:08:47,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:47,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:47,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:47,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:47,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:47,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:47,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:47,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,348 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:08:47,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:47,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:47,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:47,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:47,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:47,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:47,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:47,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:47,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,424 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:08:47,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:47,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:47,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:47,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:47,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:47,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:47,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:47,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:08:47,481 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-02 20:08:47,481 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-02 20:08:47,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:47,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:47,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:47,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:08:47,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:08:47,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:08:47,609 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:08:47,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_1 Supporting invariants [] [2022-11-02 20:08:47,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:47,921 INFO L156 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2022-11-02 20:08:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:48,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:08:48,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:48,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 198 [2022-11-02 20:08:48,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:48,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:08:48,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:08:48,381 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:08:48,384 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:48,482 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 48 transitions. Complement of second has 9 states. [2022-11-02 20:08:48,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:08:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2022-11-02 20:08:48,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-02 20:08:48,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:08:48,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-02 20:08:48,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:08:48,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-02 20:08:48,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:08:48,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2022-11-02 20:08:48,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:08:48,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 12 states and 15 transitions. [2022-11-02 20:08:48,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-02 20:08:48,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:08:48,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-02 20:08:48,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:08:48,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-02 20:08:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-02 20:08:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2022-11-02 20:08:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-02 20:08:48,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-02 20:08:48,536 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-02 20:08:48,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:08:48,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-02 20:08:48,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:08:48,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:08:48,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:08:48,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:08:48,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:08:48,538 INFO L748 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 251#L556 assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 252#L556-2 assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 253#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 255#L559-1 assume !(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1; 258#L563-2 [2022-11-02 20:08:48,539 INFO L750 eck$LassoCheckResult]: Loop: 258#L563-2 call subxy_#t~mem15#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);call subxy_#t~mem16#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4); 257#L563 assume !!(subxy_#t~mem15#1 < subxy_#t~mem16#1);havoc subxy_#t~mem15#1;havoc subxy_#t~mem16#1;call subxy_#t~mem17#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post18#1 := subxy_#t~mem17#1;call write~int(1 + subxy_#t~post18#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem17#1;havoc subxy_#t~post18#1;call subxy_#t~mem19#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post20#1 := subxy_#t~mem19#1;call write~int(subxy_#t~post20#1 - 1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem19#1;havoc subxy_#t~post20#1; 258#L563-2 [2022-11-02 20:08:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:48,545 INFO L85 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2022-11-02 20:08:48,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:48,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832180253] [2022-11-02 20:08:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:08:49,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:08:49,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832180253] [2022-11-02 20:08:49,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832180253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:08:49,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:08:49,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:08:49,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004890192] [2022-11-02 20:08:49,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:08:49,984 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:08:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:49,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-11-02 20:08:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:49,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543456249] [2022-11-02 20:08:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:50,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:08:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:08:50,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:08:50,176 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:50,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:08:50,261 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-02 20:08:50,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-11-02 20:08:50,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:08:50,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2022-11-02 20:08:50,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-02 20:08:50,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-02 20:08:50,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-11-02 20:08:50,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:08:50,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-02 20:08:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-11-02 20:08:50,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-11-02 20:08:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-02 20:08:50,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-02 20:08:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:08:50,268 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-02 20:08:50,268 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:08:50,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-11-02 20:08:50,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:08:50,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:08:50,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:08:50,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-02 20:08:50,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:08:50,270 INFO L748 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 288#L556 assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 289#L556-2 assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 290#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 291#L559-1 assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 292#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 293#L559-1 assume !(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1; 295#L563-2 [2022-11-02 20:08:50,270 INFO L750 eck$LassoCheckResult]: Loop: 295#L563-2 call subxy_#t~mem15#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);call subxy_#t~mem16#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4); 294#L563 assume !!(subxy_#t~mem15#1 < subxy_#t~mem16#1);havoc subxy_#t~mem15#1;havoc subxy_#t~mem16#1;call subxy_#t~mem17#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post18#1 := subxy_#t~mem17#1;call write~int(1 + subxy_#t~post18#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem17#1;havoc subxy_#t~post18#1;call subxy_#t~mem19#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post20#1 := subxy_#t~mem19#1;call write~int(subxy_#t~post20#1 - 1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem19#1;havoc subxy_#t~post20#1; 295#L563-2 [2022-11-02 20:08:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:50,271 INFO L85 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2022-11-02 20:08:50,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:50,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070933099] [2022-11-02 20:08:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:50,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2022-11-02 20:08:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:50,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329865695] [2022-11-02 20:08:50,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:50,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2022-11-02 20:08:50,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:08:50,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968709483] [2022-11-02 20:08:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:08:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:08:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:08:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:08:50,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:08:53,937 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:08:53,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:08:53,937 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:08:53,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:08:53,937 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:08:53,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:53,938 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:08:53,938 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:08:53,938 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2022-11-02 20:08:53,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:08:53,938 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:08:53,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:53,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:55,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:08:56,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:08:56,316 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:08:56,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,317 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:08:56,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,392 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:08:56,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,440 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:08:56,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,492 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:08:56,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,541 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:08:56,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,583 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:08:56,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:56,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:56,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-02 20:08:56,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,628 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:08:56,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-02 20:08:56,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,671 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:08:56,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,715 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:08:56,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-02 20:08:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,761 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:08:56,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-02 20:08:56,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,806 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:08:56,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:56,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:56,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-02 20:08:56,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,854 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:08:56,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-02 20:08:56,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,898 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:08:56,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:56,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 20:08:56,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:56,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:56,943 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:56,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:08:56,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:56,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:56,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:56,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:56,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:56,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:56,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:56,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:56,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 20:08:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,021 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:08:57,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:57,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:57,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:57,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 20:08:57,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,074 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:08:57,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:57,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:57,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 20:08:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,140 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:08:57,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:57,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:57,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:57,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 20:08:57,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,183 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:08:57,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:57,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:57,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 20:08:57,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,245 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:08:57,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:08:57,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:08:57,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:08:57,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:57,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,292 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:08:57,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:57,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:57,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:57,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,398 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:08:57,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:57,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:57,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:08:57,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:57,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,491 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:08:57,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:08:57,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:08:57,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:08:57,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:08:57,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:08:57,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:08:57,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:08:57,542 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:08:57,561 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-02 20:08:57,561 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-02 20:08:57,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:08:57,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:08:57,563 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:08:57,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:08:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:08:57,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:08:57,593 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:08:57,593 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0#1.base) ULTIMATE.start_subxy_~y_ref~0#1.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0#1.base) ULTIMATE.start_subxy_~y_ref~0#1.offset)_2 Supporting invariants [] [2022-11-02 20:08:57,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:57,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:08:57,957 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2022-11-02 20:08:57,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:58,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:08:58,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:08:58,235 INFO L356 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-02 20:08:58,235 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 116 [2022-11-02 20:08:58,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:08:58,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:08:58,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:08:58,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 10 [2022-11-02 20:08:58,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 76 [2022-11-02 20:08:58,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:08:58,557 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:08:58,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 52 [2022-11-02 20:08:58,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:08:58,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-02 20:08:58,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-02 20:08:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:58,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:08:58,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:08:58,690 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:08:58,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:58,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 12 states and 14 transitions. Complement of second has 6 states. [2022-11-02 20:08:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-02 20:08:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-02 20:08:58,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:08:58,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:08:58,788 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:08:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:58,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:08:58,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:58,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:08:59,042 INFO L356 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-02 20:08:59,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 116 [2022-11-02 20:08:59,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:08:59,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:08:59,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:08:59,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 10 [2022-11-02 20:08:59,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 143 [2022-11-02 20:08:59,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:08:59,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 74 [2022-11-02 20:08:59,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-02 20:08:59,496 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:08:59,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 52 [2022-11-02 20:08:59,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:08:59,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-02 20:08:59,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-02 20:08:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:59,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:08:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:08:59,620 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:08:59,620 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:59,706 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 12 states and 14 transitions. Complement of second has 6 states. [2022-11-02 20:08:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-02 20:08:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:08:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-02 20:08:59,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:08:59,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:08:59,708 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:08:59,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:08:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:08:59,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:08:59,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:08:59,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:08:59,942 INFO L356 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-02 20:08:59,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 116 [2022-11-02 20:08:59,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:08:59,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:09:00,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:09:00,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 10 [2022-11-02 20:09:00,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 76 [2022-11-02 20:09:00,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:09:00,423 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:09:00,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 81 [2022-11-02 20:09:00,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:09:00,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:09:00,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-02 20:09:00,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-02 20:09:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:09:00,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:09:00,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:09:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:09:00,572 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:09:00,573 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:00,678 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 12 states and 14 transitions. Complement of second has 5 states. [2022-11-02 20:09:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-02 20:09:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-02 20:09:00,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:09:00,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:09:00,681 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:09:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:09:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:09:00,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:09:00,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:09:00,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:09:00,911 INFO L356 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-02 20:09:00,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 116 [2022-11-02 20:09:00,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:09:00,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:09:01,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:09:01,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 10 [2022-11-02 20:09:01,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 76 [2022-11-02 20:09:01,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:09:01,214 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:09:01,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 52 [2022-11-02 20:09:01,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-02 20:09:01,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-02 20:09:01,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-11-02 20:09:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:09:01,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:09:01,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:09:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:09:01,335 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:09:01,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:01,433 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 12 states and 14 transitions. Complement of second has 5 states. [2022-11-02 20:09:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-02 20:09:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-02 20:09:01,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:09:01,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:09:01,436 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:09:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:09:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:09:01,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-02 20:09:01,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:09:01,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:09:01,680 INFO L356 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-02 20:09:01,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 116 [2022-11-02 20:09:01,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:09:01,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:09:01,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 42 [2022-11-02 20:09:01,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-11-02 20:09:01,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87 [2022-11-02 20:09:01,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-11-02 20:09:02,038 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:09:02,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2022-11-02 20:09:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:09:02,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-02 20:09:02,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:09:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:09:02,137 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:09:02,138 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:02,458 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 50 states and 67 transitions. Complement of second has 34 states 10 powerset states24 rank states. The highest rank that occured is 3 [2022-11-02 20:09:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-02 20:09:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:09:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 30 transitions. [2022-11-02 20:09:02,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:09:02,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:09:02,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-02 20:09:02,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:09:02,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 30 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-02 20:09:02,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:09:02,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2022-11-02 20:09:02,468 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:09:02,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 0 states and 0 transitions. [2022-11-02 20:09:02,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:09:02,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:09:02,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:09:02,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:09:02,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:09:02,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:09:02,469 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:09:02,469 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:09:02,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:09:02,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:09:02,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:09:02,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:09:02 BoogieIcfgContainer [2022-11-02 20:09:02,476 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:09:02,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:09:02,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:09:02,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:09:02,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:40" (3/4) ... [2022-11-02 20:09:02,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:09:02,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:09:02,481 INFO L158 Benchmark]: Toolchain (without parser) took 22884.49ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 72.7MB in the beginning and 119.6MB in the end (delta: -46.9MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-02 20:09:02,482 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:09:02,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.51ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 76.2MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:09:02,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.65ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:09:02,483 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:09:02,483 INFO L158 Benchmark]: RCFGBuilder took 487.35ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 58.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:09:02,484 INFO L158 Benchmark]: BuchiAutomizer took 21667.03ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 58.9MB in the beginning and 120.7MB in the end (delta: -61.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-02 20:09:02,484 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 195.0MB. Free memory was 120.7MB in the beginning and 119.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:09:02,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.51ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 76.2MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.65ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 72.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.35ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 58.9MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 21667.03ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 58.9MB in the beginning and 120.7MB in the end (delta: -61.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 195.0MB. Free memory was 120.7MB in the beginning and 119.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 1 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[i][i] and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 16.2s. Construction of modules took 0.2s. Büchi inclusion checks took 4.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 1]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 47 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital777 mio100 ax102 hnf100 lsp96 ukn33 mio100 lsp33 div100 bol100 ite100 ukn100 eq193 hnf87 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 71ms VariablesStem: 10 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:09:02,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19d1dd-5436-4da6-b4e9-c493a2771251/bin/uautomizer-Dbtcem3rbc/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 Writing output log to file Ultimate.log Result: TRUE