./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/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_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/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 64bit --witnessprinter.graph.data.programhash b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b --- 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 20:47:15,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:47:15,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:47:15,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:47:15,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:47:15,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:47:15,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:47:15,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:47:15,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:47:15,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:47:15,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:47:15,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:47:15,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:47:15,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:47:15,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:47:15,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:47:15,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:47:15,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:47:15,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:47:15,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:47:15,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:47:15,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:47:15,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:47:15,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:47:15,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:47:15,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:47:15,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:47:15,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:47:15,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:47:15,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:47:15,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:47:15,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:47:15,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:47:15,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:47:15,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:47:15,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:47:15,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:47:15,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:47:15,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:47:15,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:47:15,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:47:15,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:47:15,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:47:15,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:47:15,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:47:15,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:47:15,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:47:15,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:47:15,419 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:47:15,419 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:47:15,420 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:47:15,420 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:47:15,421 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:47:15,421 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:47:15,422 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:47:15,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:47:15,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:47:15,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:47:15,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:47:15,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:47:15,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:47:15,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:47:15,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:47:15,424 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:47:15,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:47:15,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:47:15,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:47:15,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:47:15,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:47:15,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:47:15,428 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:47:15,428 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_cda5f311-a298-455a-9f5b-182115858545/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b [2022-11-18 20:47:15,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:47:15,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:47:15,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:47:15,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:47:15,768 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:47:15,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-18 20:47:15,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/data/87a2bc3d9/da5ef0bd197e458185543cc674c33077/FLAG0ad8f2b2c [2022-11-18 20:47:16,429 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:47:16,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-18 20:47:16,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/data/87a2bc3d9/da5ef0bd197e458185543cc674c33077/FLAG0ad8f2b2c [2022-11-18 20:47:16,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/data/87a2bc3d9/da5ef0bd197e458185543cc674c33077 [2022-11-18 20:47:16,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:47:16,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:47:16,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:47:16,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:47:16,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:47:16,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:47:16" (1/1) ... [2022-11-18 20:47:16,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c97cdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:16, skipping insertion in model container [2022-11-18 20:47:16,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:47:16" (1/1) ... [2022-11-18 20:47:16,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:47:16,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:47:17,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:47:17,265 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:47:17,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:47:17,322 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:47:17,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17 WrapperNode [2022-11-18 20:47:17,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:47:17,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:47:17,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:47:17,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:47:17,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,392 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-18 20:47:17,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:47:17,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:47:17,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:47:17,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:47:17,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:47:17,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:47:17,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:47:17,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:47:17,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (1/1) ... [2022-11-18 20:47:17,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:17,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:17,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:17,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:47:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:47:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:47:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:47:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:47:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:47:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:47:17,665 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:47:17,667 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:47:17,925 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:47:17,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:47:17,930 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:47:17,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:47:17 BoogieIcfgContainer [2022-11-18 20:47:17,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:47:17,933 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:47:17,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:47:17,941 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:47:17,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:47:17,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:47:16" (1/3) ... [2022-11-18 20:47:17,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b218b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:47:17, skipping insertion in model container [2022-11-18 20:47:17,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:47:17,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:47:17" (2/3) ... [2022-11-18 20:47:17,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b218b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:47:17, skipping insertion in model container [2022-11-18 20:47:17,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:47:17,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:47:17" (3/3) ... [2022-11-18 20:47:17,946 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.09-no-inv_assume-alloca.i [2022-11-18 20:47:18,007 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:47:18,007 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:47:18,007 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:47:18,008 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:47:18,008 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:47:18,008 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:47:18,008 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:47:18,008 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:47:18,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) 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 20:47:18,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:47:18,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:47:18,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:47:18,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:47:18,041 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:47:18,041 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:47:18,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) 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 20:47:18,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:47:18,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:47:18,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:47:18,046 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:47:18,046 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:47:18,054 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem8#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 10#L555true assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 6#L555-2true assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 5#L558-3true [2022-11-18 20:47:18,055 INFO L750 eck$LassoCheckResult]: Loop: 5#L558-3true call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 7#L558-1true assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 11#L559true assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 12#L559-2true call test_fun_#t~mem13#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem13#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem13#1; 5#L558-3true [2022-11-18 20:47:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:18,062 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2022-11-18 20:47:18,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:18,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586840939] [2022-11-18 20:47:18,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:18,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:18,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1482698, now seen corresponding path program 1 times [2022-11-18 20:47:18,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:18,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474131499] [2022-11-18 20:47:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:18,363 INFO L85 PathProgramCache]: Analyzing trace with hash 180521906, now seen corresponding path program 1 times [2022-11-18 20:47:18,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:18,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690873072] [2022-11-18 20:47:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:18,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:18,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:19,627 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:47:19,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:47:19,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:47:19,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:47:19,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:47:19,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:19,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:47:19,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:47:19,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09-no-inv_assume-alloca.i_Iteration1_Lasso [2022-11-18 20:47:19,630 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:47:19,630 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:47:19,652 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 20:47:19,663 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 20:47:19,666 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 20:47:19,669 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 20:47:19,672 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 20:47:19,676 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 20:47:19,680 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 20:47:19,683 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 20:47:19,687 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 20:47:19,691 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 20:47:19,693 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 20:47:20,599 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 20:47:20,602 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 20:47:20,605 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 20:47:20,609 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 20:47:20,613 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 20:47:20,616 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 20:47:20,619 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 20:47:20,623 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 20:47:21,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:47:21,243 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:47:21,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,280 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 20:47:21,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:47:21,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:47:21,340 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 20:47:21,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:47:21,392 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 20:47:21,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:47:21,433 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 20:47:21,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:47:21,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:47:21,459 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 20:47:21,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-18 20:47:21,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,490 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,503 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 20:47:21,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:47:21,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-18 20:47:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:47:21,541 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 20:47:21,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,568 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:47:21,572 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 20:47:21,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,609 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:47:21,612 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 20:47:21,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,644 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:47:21,660 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 20:47:21,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:21,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:21,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:21,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,682 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:47:21,694 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 20:47:21,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,760 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:47:21,771 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 20:47:21,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,832 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:47:21,848 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 20:47:21,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,884 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,891 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 20:47:21,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:21,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:21,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:21,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:47:21,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:21,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:21,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:21,934 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:21,943 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 20:47:21,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:21,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:21,956 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:47:21,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:21,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:47:21,984 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 20:47:21,985 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:47:22,024 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:47:22,091 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:47:22,091 INFO L444 ModelExtractionUtils]: 16 out of 46 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-18 20:47:22,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:22,094 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:22,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:47:22,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:47:22,162 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-18 20:47:22,162 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:47:22,163 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 >= 0] [2022-11-18 20:47:22,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:22,308 INFO L156 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2022-11-18 20:47:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:22,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:47:22,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:22,658 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-18 20:47:22,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-18 20:47:22,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:47:22,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:22,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:22,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:23,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:23,225 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-18 20:47:23,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 162 [2022-11-18 20:47:23,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:23,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:23,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:23,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 15 [2022-11-18 20:47:23,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:23,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 20 [2022-11-18 20:47:23,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 20:47:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:47:24,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:24,384 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-18 20:47:24,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-18 20:47:24,442 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 20:47:24,487 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-18 20:47:24,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:24,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-18 20:47:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-18 20:47:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-18 20:47:24,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:47:24,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:24,524 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:47:24,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:24,792 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-18 20:47:24,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-18 20:47:24,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:47:24,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:24,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:47:25,134 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-18 20:47:25,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 218 [2022-11-18 20:47:25,167 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-18 20:47:25,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 23 [2022-11-18 20:47:25,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:25,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-18 20:47:25,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 20:47:25,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:47:25,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:25,919 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-18 20:47:25,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-18 20:47:25,967 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 20:47:25,968 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-18 20:47:25,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:25,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-18 20:47:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-18 20:47:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-18 20:47:25,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:47:25,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:25,972 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:26,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:26,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:47:26,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:26,188 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-18 20:47:26,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-18 20:47:26,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:47:26,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:26,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:47:26,529 INFO L321 Elim1Store]: treesize reduction 69, result has 18.8 percent of original size [2022-11-18 20:47:26,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 307 [2022-11-18 20:47:26,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-18 20:47:26,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-18 20:47:26,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:26,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:26,825 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-18 20:47:26,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 16 [2022-11-18 20:47:26,981 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (let ((.cse11 (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse10 (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~c~0#1.base|) 0))) (or (and (or (exists ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int))) (let ((.cse0 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30))) (let ((.cse4 (select .cse0 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= (select .cse0 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_29) (exists ((v_prenex_36 (Array Int Int)) (v_prenex_38 (Array Int Int)) (v_prenex_37 (Array Int Int))) (let ((.cse2 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_38) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_36) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_37) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_38) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_36) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_37))) (let ((.cse3 (select v_prenex_37 0)) (.cse1 (select .cse2 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= .cse1 v_prenex_38) (= (select .cse2 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_prenex_36) (= .cse3 (select v_DerPreprocessor_30 0)) (= .cse1 .cse4) (= .cse3 .cse5) (<= .cse3 0) (= .cse1 .cse6))))) (= v_DerPreprocessor_28 .cse4))))) (and (exists ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_19 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int))) (let ((.cse7 (select v_DerPreprocessor_21 0)) (.cse8 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30)) (.cse9 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_21))) (and (= .cse7 (select v_DerPreprocessor_30 0)) (= (select .cse8 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_29) (= .cse7 .cse5) (<= .cse7 0) (= v_DerPreprocessor_19 (select .cse9 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= v_DerPreprocessor_28 (select .cse8 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= (select .cse9 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_20)))) .cse10)) .cse11) (and (not .cse11) (let ((.cse13 (<= .cse5 0))) (or (and (exists ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (let ((.cse12 (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27))) (and (= v_DerPreprocessor_25 (select .cse12 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) (select .cse12 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= (select v_DerPreprocessor_27 0) .cse5)))) .cse13) (and (not .cse10) .cse13)))))) c_unseeded (or (<= 1 (select .cse6 0)) |c_ULTIMATE.start_test_fun_#t~short7#1|))) is different from true [2022-11-18 20:47:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:27,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:47:27,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:27,310 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-18 20:47:27,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-18 20:47:27,353 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 20:47:27,353 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-18 20:47:27,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:27,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-18 20:47:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-18 20:47:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-18 20:47:27,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:47:27,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:27,357 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:27,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:47:27,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:27,575 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-18 20:47:27,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-18 20:47:27,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:47:27,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:27,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:47:28,092 INFO L321 Elim1Store]: treesize reduction 77, result has 9.4 percent of original size [2022-11-18 20:47:28,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 203 treesize of output 213 [2022-11-18 20:47:28,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-18 20:47:28,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:28,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 20:47:28,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:28,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 11 [2022-11-18 20:47:28,315 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and c_unseeded (let ((.cse6 (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse0 (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~c~0#1.base|) 0))) (or (and (let ((.cse1 (<= .cse3 0))) (or (and .cse0 .cse1) (and (exists ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_DerPreprocessor_42 (Array Int Int))) (let ((.cse4 (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42))) (let ((.cse2 (select .cse4 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= .cse2 v_DerPreprocessor_40) (= (select v_DerPreprocessor_42 0) .cse3) (= (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) (select .cse4 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse2 .cse5))))) (not .cse0) .cse1))) (not .cse6)) (and .cse6 (or (exists ((v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int))) (let ((.cse11 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39))) (let ((.cse10 (select .cse11 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (exists ((v_prenex_47 (Array Int Int)) (v_prenex_49 (Array Int Int)) (v_prenex_48 (Array Int Int))) (let ((.cse8 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_47) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_48) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_49) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_47) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_48) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_49))) (let ((.cse7 (select .cse8 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (.cse9 (select v_prenex_49 0))) (and (= .cse5 .cse7) (= v_prenex_47 .cse7) (= v_prenex_48 (select .cse8 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse9 (select v_DerPreprocessor_39 0)) (= .cse10 .cse7) (<= .cse9 0) (= .cse9 .cse3))))) (= v_DerPreprocessor_38 (select .cse11 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= v_DerPreprocessor_37 .cse10))))) (and .cse0 (exists ((v_DerPreprocessor_31 (Array Int Int)) (v_DerPreprocessor_32 (Array Int Int)) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int)) (v_DerPreprocessor_33 (Array Int Int))) (let ((.cse13 (select v_DerPreprocessor_33 0)) (.cse12 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39)) (.cse14 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_32) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_33) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_32) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_33))) (and (= v_DerPreprocessor_38 (select .cse12 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse13 (select v_DerPreprocessor_39 0)) (= .cse13 .cse3) (<= .cse13 0) (= v_DerPreprocessor_37 (select .cse12 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= v_DerPreprocessor_32 (select .cse14 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= v_DerPreprocessor_31 (select .cse14 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)))))))))) (or (<= 1 (select .cse5 0)) |c_ULTIMATE.start_test_fun_#t~short7#1|))) is different from true [2022-11-18 20:47:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:28,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:47:28,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:28,652 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-18 20:47:28,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-18 20:47:28,701 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 20:47:28,701 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-18 20:47:28,702 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:28,704 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-18 20:47:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-18 20:47:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-18 20:47:28,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:47:28,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:28,705 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:28,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:28,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:47:28,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:28,924 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-18 20:47:28,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-11-18 20:47:28,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-18 20:47:28,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:29,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 20:47:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:47:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:47:29,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 65 [2022-11-18 20:47:29,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:29,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:29,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,336 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-18 20:47:29,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 140 treesize of output 151 [2022-11-18 20:47:29,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:29,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 20:47:29,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 5 [2022-11-18 20:47:29,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-18 20:47:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:29,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:47:29,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:29,873 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-18 20:47:29,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-18 20:47:29,915 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 20:47:29,916 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-18 20:47:29,917 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:29,964 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) 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) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 18 transitions. Complement of second has 5 states 4 powerset states1 rank states. The highest rank that occured is 1 [2022-11-18 20:47:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:47:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2022-11-18 20:47:29,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:47:29,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:29,966 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:29,967 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 20:47:29,970 INFO L158 Benchmark]: Toolchain (without parser) took 13215.76ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 117.4MB in the beginning and 120.6MB in the end (delta: -3.2MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2022-11-18 20:47:29,971 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:47:29,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.71ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 120.5MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:47:29,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.88ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 118.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:47:29,972 INFO L158 Benchmark]: Boogie Preprocessor took 39.36ms. Allocated memory is still 153.1MB. Free memory was 118.7MB in the beginning and 117.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:47:29,972 INFO L158 Benchmark]: RCFGBuilder took 498.69ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 104.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:47:29,973 INFO L158 Benchmark]: BuchiAutomizer took 12036.27ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 104.6MB in the beginning and 120.6MB in the end (delta: -16.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2022-11-18 20:47:29,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.71ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 120.5MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.88ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 118.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.36ms. Allocated memory is still 153.1MB. Free memory was 118.7MB in the beginning and 117.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.69ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 104.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12036.27ms. Allocated memory was 153.1MB in the beginning and 260.0MB in the end (delta: 107.0MB). Free memory was 104.6MB in the beginning and 120.6MB in the end (delta: -16.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 20:47:30,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda5f311-a298-455a-9f5b-182115858545/bin/uautomizer-TMbwUNV5ro/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient