./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R --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 e028c51cfa02b345902e1292d1a644c7ee4a15183825ee6e2ec2fc316df147e6 --- 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-38b53e6 [2022-11-25 15:34:01,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:34:01,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:34:01,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:34:01,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:34:01,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:34:01,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:34:01,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:34:01,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:34:01,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:34:01,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:34:01,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:34:01,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:34:01,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:34:01,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:34:01,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:34:01,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:34:01,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:34:01,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:34:01,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:34:01,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:34:01,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:34:01,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:34:01,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:34:01,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:34:01,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:34:01,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:34:01,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:34:01,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:34:01,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:34:01,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:34:01,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:34:01,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:34:01,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:34:01,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:34:01,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:34:01,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:34:01,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:34:01,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:34:01,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:34:01,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:34:01,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:34:01,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:34:01,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:34:01,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:34:01,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:34:01,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:34:01,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:34:01,232 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:34:01,232 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:34:01,233 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:34:01,233 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:34:01,234 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:34:01,234 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:34:01,235 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:34:01,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:34:01,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:34:01,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:34:01,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:34:01,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:34:01,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:34:01,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:34:01,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:34:01,237 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:34:01,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:34:01,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:34:01,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:34:01,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:34:01,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:34:01,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:34:01,240 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:34:01,240 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_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e028c51cfa02b345902e1292d1a644c7ee4a15183825ee6e2ec2fc316df147e6 [2022-11-25 15:34:01,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:34:01,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:34:01,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:34:01,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:34:01,580 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:34:01,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i [2022-11-25 15:34:04,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:34:04,911 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:34:04,912 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i [2022-11-25 15:34:04,930 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/data/d54280966/9f181bb1861548d99c4a04b84f67a6be/FLAG278414b6c [2022-11-25 15:34:04,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/data/d54280966/9f181bb1861548d99c4a04b84f67a6be [2022-11-25 15:34:04,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:34:04,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:34:04,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:04,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:34:04,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:34:04,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:04" (1/1) ... [2022-11-25 15:34:04,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595ce082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:04, skipping insertion in model container [2022-11-25 15:34:04,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:04" (1/1) ... [2022-11-25 15:34:04,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:34:05,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:34:05,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:05,381 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:34:05,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:05,441 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:34:05,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05 WrapperNode [2022-11-25 15:34:05,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:05,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:05,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:34:05,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:34:05,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,504 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2022-11-25 15:34:05,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:05,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:34:05,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:34:05,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:34:05,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:34:05,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:34:05,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:34:05,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:34:05,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (1/1) ... [2022-11-25 15:34:05,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:05,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:05,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:05,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:34:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:34:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:34:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:34:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:34:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:34:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:34:05,824 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:34:05,826 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:34:06,047 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:34:06,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:34:06,053 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:34:06,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:06 BoogieIcfgContainer [2022-11-25 15:34:06,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:34:06,057 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:34:06,057 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:34:06,061 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:34:06,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:06,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:34:04" (1/3) ... [2022-11-25 15:34:06,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a9b1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:06, skipping insertion in model container [2022-11-25 15:34:06,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:06,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:05" (2/3) ... [2022-11-25 15:34:06,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55a9b1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:06, skipping insertion in model container [2022-11-25 15:34:06,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:06,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:06" (3/3) ... [2022-11-25 15:34:06,066 INFO L332 chiAutomizerObserver]: Analyzing ICFG twisted-alloca.i [2022-11-25 15:34:06,137 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:34:06,138 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:34:06,138 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:34:06,138 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:34:06,138 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:34:06,138 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:34:06,139 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:34:06,139 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:34:06,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:06,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:06,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:06,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:06,181 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:34:06,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:34:06,181 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:34:06,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:06,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:06,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:06,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:06,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:34:06,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 15:34:06,195 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 2#L569true [2022-11-25 15:34:06,196 INFO L750 eck$LassoCheckResult]: Loop: 2#L569true assume !true; 12#L564true goto; 11#L567true call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 7#L564-1true assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 9#L566true assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 2#L569true [2022-11-25 15:34:06,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:06,211 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 15:34:06,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:06,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736324870] [2022-11-25 15:34:06,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:06,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:06,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:06,609 INFO L85 PathProgramCache]: Analyzing trace with hash 46885240, now seen corresponding path program 1 times [2022-11-25 15:34:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:06,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841806760] [2022-11-25 15:34:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:34:06,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:34:06,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841806760] [2022-11-25 15:34:06,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841806760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:34:06,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:34:06,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 15:34:06,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046664131] [2022-11-25 15:34:06,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:34:06,696 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 15:34:06,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:34:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:34:06,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:34:06,739 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 1 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:34:06,745 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2022-11-25 15:34:06,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2022-11-25 15:34:06,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:06,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2022-11-25 15:34:06,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 15:34:06,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 15:34:06,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-25 15:34:06,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:34:06,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-25 15:34:06,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-25 15:34:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-25 15:34:06,780 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) [2022-11-25 15:34:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-25 15:34:06,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-25 15:34:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:34:06,791 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-25 15:34:06,791 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:34:06,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-25 15:34:06,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:06,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:06,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:06,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 15:34:06,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:06,793 INFO L748 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 38#L569 [2022-11-25 15:34:06,794 INFO L750 eck$LassoCheckResult]: Loop: 38#L569 goto; 39#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 44#L557-1 assume !(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1; 43#L564 goto; 45#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 46#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 47#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 38#L569 [2022-11-25 15:34:06,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-25 15:34:06,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:06,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943416168] [2022-11-25 15:34:06,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:06,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1311753714, now seen corresponding path program 1 times [2022-11-25 15:34:06,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:06,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99227886] [2022-11-25 15:34:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:06,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:06,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:06,950 INFO L85 PathProgramCache]: Analyzing trace with hash 234543116, now seen corresponding path program 1 times [2022-11-25 15:34:06,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:06,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396480723] [2022-11-25 15:34:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:07,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:07,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:10,073 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:34:10,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:34:10,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:34:10,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:34:10,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:34:10,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:10,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:34:10,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:34:10,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: twisted-alloca.i_Iteration2_Lasso [2022-11-25 15:34:10,124 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:34:10,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:34:10,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:10,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:11,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:12,140 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:34:12,150 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:34:12,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,170 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 [2022-11-25 15:34:12,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:12,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:12,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:12,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:34:12,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 15:34:12,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,211 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 [2022-11-25 15:34:12,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:12,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:12,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:12,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:34:12,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,247 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 [2022-11-25 15:34:12,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:34:12,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:34:12,295 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 [2022-11-25 15:34:12,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:34:12,335 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 [2022-11-25 15:34:12,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,380 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 [2022-11-25 15:34:12,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:12,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:12,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:12,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:34:12,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,439 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:34:12,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:12,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:12,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:12,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:34:12,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:34:12,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:34:12,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:34:12,542 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 [2022-11-25 15:34:12,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,580 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,593 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 [2022-11-25 15:34:12,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:34:12,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,636 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:34:12,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:34:12,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,706 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,720 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 [2022-11-25 15:34:12,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 15:34:12,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,769 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 [2022-11-25 15:34:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 15:34:12,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,813 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 15:34:12,824 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 [2022-11-25 15:34:12,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,876 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,886 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 [2022-11-25 15:34:12,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 15:34:12,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:12,938 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:12,949 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 [2022-11-25 15:34:12,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 15:34:12,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:12,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:12,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:12,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:12,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:12,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:12,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:12,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:12,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:13,000 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:13,005 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 [2022-11-25 15:34:13,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 15:34:13,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:13,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:13,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:13,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:13,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:13,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:13,051 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:34:13,072 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-25 15:34:13,073 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-25 15:34:13,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:13,135 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:13,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:34:13,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 15:34:13,183 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 15:34:13,183 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:34:13,184 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~j~0#1.base) ULTIMATE.start_f_~j~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_f_~j~0#1.base) ULTIMATE.start_f_~j~0#1.offset)_1 + 1 Supporting invariants [] [2022-11-25 15:34:13,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:13,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-11-25 15:34:13,522 INFO L156 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2022-11-25 15:34:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:13,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:34:13,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:34:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:13,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:34:13,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:34:13,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-11-25 15:34:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:34:13,747 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 15:34:13,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:13,797 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 27 transitions. Complement of second has 6 states. [2022-11-25 15:34:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:34:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-25 15:34:13,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 7 letters. [2022-11-25 15:34:13,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:13,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 7 letters. [2022-11-25 15:34:13,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:13,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 14 letters. [2022-11-25 15:34:13,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:13,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2022-11-25 15:34:13,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:34:13,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 21 transitions. [2022-11-25 15:34:13,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-25 15:34:13,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-25 15:34:13,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-11-25 15:34:13,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:34:13,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-25 15:34:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-11-25 15:34:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-25 15:34:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-25 15:34:13,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-25 15:34:13,810 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-25 15:34:13,810 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 15:34:13,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-25 15:34:13,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:34:13,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:13,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:13,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 15:34:13,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:34:13,812 INFO L748 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 296#L569 goto; 283#L560 [2022-11-25 15:34:13,812 INFO L750 eck$LassoCheckResult]: Loop: 283#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 291#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 288#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 283#L560 [2022-11-25 15:34:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2022-11-25 15:34:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476622173] [2022-11-25 15:34:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:13,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,869 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2022-11-25 15:34:13,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640385336] [2022-11-25 15:34:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:13,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,889 INFO L85 PathProgramCache]: Analyzing trace with hash 889536583, now seen corresponding path program 1 times [2022-11-25 15:34:13,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083721711] [2022-11-25 15:34:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:14,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:15,942 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:34:15,942 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:34:15,942 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:34:15,942 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:34:15,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:34:15,942 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:15,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:34:15,943 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:34:15,943 INFO L133 ssoRankerPreferences]: Filename of dumped script: twisted-alloca.i_Iteration3_Lasso [2022-11-25 15:34:15,943 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:34:15,943 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:34:15,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:15,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:16,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:17,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:34:17,547 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:34:17,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,549 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 15:34:17,580 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 [2022-11-25 15:34:17,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:17,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:17,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:17,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-25 15:34:17,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,597 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 15:34:17,604 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 [2022-11-25 15:34:17,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:17,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:17,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:17,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,621 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 15:34:17,624 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 [2022-11-25 15:34:17,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,669 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 15:34:17,677 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 [2022-11-25 15:34:17,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,724 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,732 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 [2022-11-25 15:34:17,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:17,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:17,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:17,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 15:34:17,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,764 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,772 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 [2022-11-25 15:34:17,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:34:17,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:34:17,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:34:17,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 15:34:17,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,805 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,810 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 [2022-11-25 15:34:17,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 15:34:17,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-25 15:34:17,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,848 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 15:34:17,850 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 [2022-11-25 15:34:17,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,905 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,912 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 [2022-11-25 15:34:17,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 15:34:17,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:17,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,957 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 15:34:17,961 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 [2022-11-25 15:34:17,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:17,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:17,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:17,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:17,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:17,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:17,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:17,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-25 15:34:17,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:17,989 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:17,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 15:34:17,993 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 [2022-11-25 15:34:18,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:18,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:18,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:18,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:18,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:18,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:18,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:18,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:18,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:18,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:18,027 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:18,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 15:34:18,031 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 [2022-11-25 15:34:18,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:18,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:18,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:18,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:18,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:18,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:18,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:18,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-25 15:34:18,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:18,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:18,065 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:18,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 15:34:18,068 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 [2022-11-25 15:34:18,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:18,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:18,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:18,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:18,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:18,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:18,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:18,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-25 15:34:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:18,093 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 15:34:18,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:34:18,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:18,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:18,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:18,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:18,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:18,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:18,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:34:18,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:18,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:18,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:18,158 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:18,164 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 [2022-11-25 15:34:18,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 15:34:18,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:34:18,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:34:18,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:34:18,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:34:18,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:34:18,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:34:18,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:34:18,226 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-25 15:34:18,227 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-25 15:34:18,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:18,229 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:18,236 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:34:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 15:34:18,264 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 15:34:18,264 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:34:18,264 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_f_~k_ref~0#1.base) ULTIMATE.start_f_~k_ref~0#1.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_f_~k_ref~0#1.base) ULTIMATE.start_f_~k_ref~0#1.offset)_2 Supporting invariants [] [2022-11-25 15:34:18,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:18,451 INFO L156 tatePredicateManager]: 36 out of 36 supporting invariants were superfluous and have been removed [2022-11-25 15:34:18,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:18,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:34:18,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:34:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:18,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:34:18,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:34:18,595 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-25 15:34:18,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2022-11-25 15:34:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:34:18,638 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 15:34:18,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 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) [2022-11-25 15:34:18,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. 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 34 states and 43 transitions. Complement of second has 7 states. [2022-11-25 15:34:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 15:34:18,674 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) [2022-11-25 15:34:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-25 15:34:18,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-25 15:34:18,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:18,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-25 15:34:18,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:18,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-25 15:34:18,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:34:18,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2022-11-25 15:34:18,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:34:18,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 31 transitions. [2022-11-25 15:34:18,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-25 15:34:18,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-25 15:34:18,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2022-11-25 15:34:18,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:34:18,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 31 transitions. [2022-11-25 15:34:18,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2022-11-25 15:34:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2022-11-25 15:34:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2022-11-25 15:34:18,683 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-11-25 15:34:18,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-11-25 15:34:18,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 15:34:18,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2022-11-25 15:34:18,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:34:18,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:18,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:18,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:18,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:34:18,687 INFO L748 eck$LassoCheckResult]: Stem: 521#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 517#L569 goto; 518#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 534#L557-1 assume !(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1; 526#L564 goto; 531#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 532#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 533#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 535#L569 goto; 524#L560 [2022-11-25 15:34:18,687 INFO L750 eck$LassoCheckResult]: Loop: 524#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 529#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 523#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 524#L560 [2022-11-25 15:34:18,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1319097990, now seen corresponding path program 2 times [2022-11-25 15:34:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:18,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009445708] [2022-11-25 15:34:18,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:18,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:18,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:18,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:18,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2022-11-25 15:34:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:18,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497043524] [2022-11-25 15:34:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:18,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:18,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:18,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:18,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1702545424, now seen corresponding path program 1 times [2022-11-25 15:34:18,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:18,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276732099] [2022-11-25 15:34:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:18,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-25 15:34:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:34:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:34:19,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276732099] [2022-11-25 15:34:19,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276732099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:34:19,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194008940] [2022-11-25 15:34:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:19,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:34:19,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:19,439 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:34:19,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39d721d-c99a-42d0-adfc-db6a9b12c8d6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-25 15:34:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:19,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-25 15:34:19,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:34:20,211 INFO L321 Elim1Store]: treesize reduction 324, result has 30.9 percent of original size [2022-11-25 15:34:20,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 894 treesize of output 841 [2022-11-25 15:34:20,261 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 15:34:20,338 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-25 15:34:20,389 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-25 15:34:20,433 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-25 15:34:25,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:25,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:26,780 INFO L321 Elim1Store]: treesize reduction 406, result has 18.6 percent of original size [2022-11-25 15:34:26,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 4213 treesize of output 4363 [2022-11-25 15:34:27,630 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 15:34:27,888 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 15:34:28,766 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 15:34:29,028 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 15:34:29,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:29,349 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-25 15:34:29,377 INFO L321 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2022-11-25 15:34:29,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 254 treesize of output 480 [2022-11-25 15:34:29,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 15:34:54,822 WARN L233 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 143 DAG size of output: 61 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 15:34:54,823 INFO L321 Elim1Store]: treesize reduction 477, result has 20.9 percent of original size [2022-11-25 15:34:55,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 36347930296406468 treesize of output 36347655418484416