./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- 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-8393723 [2022-11-18 19:31:34,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:31:34,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:31:34,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:31:34,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:31:34,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:31:34,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:31:34,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:31:34,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:31:34,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:31:34,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:31:34,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:31:34,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:31:34,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:31:34,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:31:34,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:31:34,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:31:34,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:31:34,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:31:34,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:31:34,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:31:34,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:31:34,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:31:34,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:31:34,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:31:34,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:31:34,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:31:34,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:31:34,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:31:34,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:31:34,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:31:34,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:31:34,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:31:34,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:31:34,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:31:34,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:31:34,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:31:34,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:31:34,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:31:34,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:31:34,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:31:34,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:31:34,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:31:34,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:31:34,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:31:34,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:31:34,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:31:34,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:31:34,519 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:31:34,519 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:31:34,519 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:31:34,519 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:31:34,520 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:31:34,521 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:31:34,521 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:31:34,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:31:34,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:31:34,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:31:34,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:31:34,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:31:34,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:31:34,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:31:34,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:31:34,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:31:34,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:31:34,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:31:34,523 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:31:34,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:31:34,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:31:34,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:31:34,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:31:34,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:31:34,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:31:34,526 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:31:34,527 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_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2022-11-18 19:31:34,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:31:34,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:31:34,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:31:34,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:31:34,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:31:34,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2022-11-18 19:31:34,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/data/d5e0d73f6/40ae7f15a6b944819b6de6bff747f81a/FLAG64da30346 [2022-11-18 19:31:35,514 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:31:35,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2022-11-18 19:31:35,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/data/d5e0d73f6/40ae7f15a6b944819b6de6bff747f81a/FLAG64da30346 [2022-11-18 19:31:35,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/data/d5e0d73f6/40ae7f15a6b944819b6de6bff747f81a [2022-11-18 19:31:35,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:31:35,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:31:35,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:35,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:31:35,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:31:35,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:35" (1/1) ... [2022-11-18 19:31:35,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613c53f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:35, skipping insertion in model container [2022-11-18 19:31:35,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:35" (1/1) ... [2022-11-18 19:31:35,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:31:35,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:31:36,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:36,158 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:31:36,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:36,216 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:31:36,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36 WrapperNode [2022-11-18 19:31:36,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:36,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:36,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:31:36,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:31:36,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,263 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-11-18 19:31:36,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:36,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:31:36,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:31:36,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:31:36,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:31:36,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:31:36,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:31:36,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:31:36,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (1/1) ... [2022-11-18 19:31:36,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:31:36,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:36,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:31:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:31:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:31:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:31:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:31:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:31:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:31:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:31:36,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:31:36,573 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:31:36,748 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:31:36,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:31:36,762 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:31:36,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:36 BoogieIcfgContainer [2022-11-18 19:31:36,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:31:36,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:31:36,767 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:31:36,771 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:31:36,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:31:36,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:31:35" (1/3) ... [2022-11-18 19:31:36,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f94282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:31:36, skipping insertion in model container [2022-11-18 19:31:36,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:31:36,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:36" (2/3) ... [2022-11-18 19:31:36,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f94282f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:31:36, skipping insertion in model container [2022-11-18 19:31:36,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:31:36,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:36" (3/3) ... [2022-11-18 19:31:36,777 INFO L332 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2022-11-18 19:31:36,855 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:31:36,856 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:31:36,856 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:31:36,856 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:31:36,856 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:31:36,856 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:31:36,857 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:31:36,857 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:31:36,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-11-18 19:31:36,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 19:31:36,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:31:36,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:31:36,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:31:36,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:31:36,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:31:36,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-11-18 19:31:36,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 19:31:36,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:31:36,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:31:36,903 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:31:36,903 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:31:36,911 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L515true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5#L515-2true main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 16#L517true assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 9#L517-2true call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 10#L520true assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 4#L521-3true [2022-11-18 19:31:36,912 INFO L750 eck$LassoCheckResult]: Loop: 4#L521-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 6#L521-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4#L521-3true [2022-11-18 19:31:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2022-11-18 19:31:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:31:36,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390228133] [2022-11-18 19:31:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:36,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:31:37,026 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:31:37,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219264523] [2022-11-18 19:31:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:37,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:31:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:37,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:31:37,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:31:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:31:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:31:37,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:37,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2022-11-18 19:31:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:31:37,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126498060] [2022-11-18 19:31:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:31:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:31:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:31:37,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:31:37,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2022-11-18 19:31:37,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:31:37,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817948305] [2022-11-18 19:31:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:31:37,259 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:31:37,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345540883] [2022-11-18 19:31:37,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:31:37,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:31:37,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:37,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:31:37,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:31:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:31:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:31:37,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:31:38,138 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:31:38,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:31:38,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:31:38,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:31:38,139 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:31:38,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:31:38,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:31:38,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:31:38,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2022-11-18 19:31:38,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:31:38,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:31:38,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:38,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:31:53,545 WARN L233 SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 126 DAG size of output: 89 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-18 19:32:00,712 WARN L233 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-18 19:32:00,788 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:00,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:00,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:00,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:00,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:00,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:32:00,840 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 [2022-11-18 19:32:00,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:00,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:00,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:00,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:00,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:00,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:00,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:00,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:00,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-18 19:32:00,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:00,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:00,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:00,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:32:00,929 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 [2022-11-18 19:32:00,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:00,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:00,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:00,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:00,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:00,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:00,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:00,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:00,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:00,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:32:01,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:32:01,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:01,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:01,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:01,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,045 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:32:01,053 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 [2022-11-18 19:32:01,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:01,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:01,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:01,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-18 19:32:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:32:01,095 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 [2022-11-18 19:32:01,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:01,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:01,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:01,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:01,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:32:01,159 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 [2022-11-18 19:32:01,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:01,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:01,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:01,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:01,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 19:32:01,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,181 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:32:01,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:32:01,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:01,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:01,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:01,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:01,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:01,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,216 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:32:01,220 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 [2022-11-18 19:32:01,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:01,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:01,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:01,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:01,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:01,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:01,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:01,314 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-18 19:32:01,314 INFO L444 ModelExtractionUtils]: 15 out of 28 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 19:32:01,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:01,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,327 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:32:01,367 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:01,400 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:32:01,401 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:01,401 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2022-11-18 19:32:01,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:01,456 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 19:32:01,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:01,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:01,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:01,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:01,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:01,639 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:32:01,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-18 19:32:01,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 35 states and 46 transitions. Complement of second has 7 states. [2022-11-18 19:32:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-18 19:32:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-11-18 19:32:01,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 19:32:01,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:01,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 19:32:01,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:01,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 19:32:01,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:01,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2022-11-18 19:32:01,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:01,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2022-11-18 19:32:01,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 19:32:01,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 19:32:01,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-18 19:32:01,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:32:01,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 19:32:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-18 19:32:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-18 19:32:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-18 19:32:01,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 19:32:01,809 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 19:32:01,809 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:32:01,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-18 19:32:01,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:01,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:01,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:01,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:32:01,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:01,811 INFO L748 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 138#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 135#L515-2 main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 136#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 139#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 140#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 130#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 131#L521-4 main_~j~0#1 := 0; 134#L524-3 [2022-11-18 19:32:01,812 INFO L750 eck$LassoCheckResult]: Loop: 134#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 137#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 134#L524-3 [2022-11-18 19:32:01,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2022-11-18 19:32:01,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:01,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717136044] [2022-11-18 19:32:01,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:01,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:01,825 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:32:01,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114802714] [2022-11-18 19:32:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:01,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:32:01,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,829 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 19:32:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:01,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:32:01,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:01,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:32:01,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:32:01,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717136044] [2022-11-18 19:32:01,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 19:32:01,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114802714] [2022-11-18 19:32:01,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114802714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:32:01,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:32:01,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:32:01,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857785365] [2022-11-18 19:32:01,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:32:01,961 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 19:32:01,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:01,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2022-11-18 19:32:01,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:01,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084477489] [2022-11-18 19:32:01,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:01,967 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:32:01,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791192886] [2022-11-18 19:32:01,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:01,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:32:01,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:01,972 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:32:01,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 19:32:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:02,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:02,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:02,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:32:04,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:32:04,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:32:04,806 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-18 19:32:04,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:32:04,881 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-11-18 19:32:04,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2022-11-18 19:32:04,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:04,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2022-11-18 19:32:04,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 19:32:04,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 19:32:04,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-18 19:32:04,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:32:04,883 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 19:32:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-18 19:32:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-18 19:32:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-18 19:32:04,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-18 19:32:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:32:04,887 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-18 19:32:04,887 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:32:04,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-11-18 19:32:04,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:04,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:04,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:04,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:32:04,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:04,889 INFO L748 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 196#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 193#L515-2 main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 194#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 197#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 198#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 188#L521-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 189#L521-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 190#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 191#L521-4 main_~j~0#1 := 0; 192#L524-3 [2022-11-18 19:32:04,889 INFO L750 eck$LassoCheckResult]: Loop: 192#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 195#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 192#L524-3 [2022-11-18 19:32:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2022-11-18 19:32:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:04,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205434390] [2022-11-18 19:32:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:04,909 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:32:04,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675562615] [2022-11-18 19:32:04,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:04,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:32:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:04,915 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:32:04,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 19:32:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:05,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:05,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:05,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2022-11-18 19:32:05,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:05,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678969675] [2022-11-18 19:32:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:05,050 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:32:05,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347392232] [2022-11-18 19:32:05,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:32:05,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:32:05,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:05,060 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:32:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-18 19:32:05,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:32:05,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-18 19:32:05,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:05,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:05,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2022-11-18 19:32:05,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:05,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757890895] [2022-11-18 19:32:05,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:05,152 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 19:32:05,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628483503] [2022-11-18 19:32:05,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:05,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:32:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:05,174 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:32:05,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-18 19:32:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:05,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:05,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:17,880 WARN L233 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 106 DAG size of output: 84 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:32:28,444 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 19:32:28,451 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:28,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:28,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:28,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:28,451 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:32:28,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:28,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:28,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2022-11-18 19:32:28,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:28,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:28,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:41,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:52,638 WARN L233 SmtUtils]: Spent 11.11s on a formula simplification. DAG size of input: 143 DAG size of output: 95 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-18 19:32:56,769 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:56,769 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:56,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:56,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 19:32:56,777 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 [2022-11-18 19:32:56,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:56,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:56,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:56,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:56,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:56,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:56,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:56,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:56,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:56,829 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:56,844 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 [2022-11-18 19:32:56,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 19:32:56,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:56,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:56,859 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 19:32:56,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:56,896 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 19:32:56,897 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 19:32:57,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:57,184 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-18 19:32:57,184 INFO L444 ModelExtractionUtils]: 29 out of 61 variables were initially zero. Simplification set additionally 28 variables to zero. [2022-11-18 19:32:57,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:57,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:57,195 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:57,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:57,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 19:32:57,237 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-18 19:32:57,237 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:57,238 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr2~0#1.base)_1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~arr2~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~arr2~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~arr2~0#1.offset Supporting invariants [] [2022-11-18 19:32:57,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:57,331 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-11-18 19:32:57,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:57,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:57,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:57,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:57,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:57,423 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:32:57,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-11-18 19:32:57,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 15 states and 19 transitions. Complement of second has 4 states. [2022-11-18 19:32:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-11-18 19:32:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-11-18 19:32:57,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-18 19:32:57,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:57,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-18 19:32:57,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:57,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-18 19:32:57,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:57,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-18 19:32:57,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:32:57,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-11-18 19:32:57,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 19:32:57,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 19:32:57,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 19:32:57,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:32:57,479 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:57,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:57,479 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:57,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 19:32:57,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:32:57,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:32:57,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 19:32:57,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:32:57 BoogieIcfgContainer [2022-11-18 19:32:57,490 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:32:57,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:32:57,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:32:57,491 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:32:57,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:31:36" (3/4) ... [2022-11-18 19:32:57,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:32:57,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:32:57,496 INFO L158 Benchmark]: Toolchain (without parser) took 81693.37ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 96.4MB in the beginning and 101.4MB in the end (delta: -4.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,497 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:32:57,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.80ms. Allocated memory is still 127.9MB. Free memory was 96.4MB in the beginning and 98.8MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 97.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,507 INFO L158 Benchmark]: Boogie Preprocessor took 54.73ms. Allocated memory is still 127.9MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:32:57,508 INFO L158 Benchmark]: RCFGBuilder took 444.87ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 84.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,509 INFO L158 Benchmark]: BuchiAutomizer took 80724.94ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 83.7MB in the beginning and 102.4MB in the end (delta: -18.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,512 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:32:57,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.80ms. Allocated memory is still 127.9MB. Free memory was 96.4MB in the beginning and 98.8MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 127.9MB. Free memory was 98.8MB in the beginning and 97.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.73ms. Allocated memory is still 127.9MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.87ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 84.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 80724.94ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 83.7MB in the beginning and 102.4MB in the end (delta: -18.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[arr2] + -4 * j + -1 * arr2 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 80.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 79.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 38 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital312 mio100 ax107 hnf100 lsp138 ukn53 mio100 lsp67 div330 bol100 ite100 ukn100 eq141 hnf95 smp50 dnf111 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 409ms VariablesStem: 20 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 19:32:57,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:57,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:57,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:58,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:58,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:58,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:58,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:58,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:59,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c773a2-e521-4753-8cd3-5e8270c45004/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE