./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8 --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 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- 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-2329fc7 [2022-12-13 20:34:39,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:34:39,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:34:39,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:34:39,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:34:39,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:34:39,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:34:39,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:34:39,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:34:39,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:34:39,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:34:39,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:34:39,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:34:39,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:34:39,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:34:39,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:34:39,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:34:39,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:34:39,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:34:39,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:34:39,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:34:39,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:34:39,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:34:39,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:34:39,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:34:39,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:34:39,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:34:39,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:34:39,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:34:39,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:34:39,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:34:39,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:34:39,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:34:39,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:34:39,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:34:39,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:34:39,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:34:39,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:34:39,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:34:39,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:34:39,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:34:39,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 20:34:39,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:34:39,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:34:39,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:34:39,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:34:39,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:34:39,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:34:39,525 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:34:39,526 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:34:39,526 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:34:39,526 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:34:39,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:34:39,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:34:39,526 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:34:39,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:34:39,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:34:39,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:34:39,528 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:34:39,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:34:39,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:34:39,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:34:39,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:34:39,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:34:39,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:34:39,530 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:34:39,530 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_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2022-12-13 20:34:39,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:34:39,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:34:39,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:34:39,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:34:39,748 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:34:39,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-12-13 20:34:42,324 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:34:42,496 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:34:42,497 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-12-13 20:34:42,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/data/ec1f53126/0d6e877f4a874c9d9dc8d462a1b23b6e/FLAG91129f00d [2022-12-13 20:34:42,900 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/data/ec1f53126/0d6e877f4a874c9d9dc8d462a1b23b6e [2022-12-13 20:34:42,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:34:42,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:34:42,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:42,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:34:42,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:34:42,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:42" (1/1) ... [2022-12-13 20:34:42,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c14d295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:42, skipping insertion in model container [2022-12-13 20:34:42,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:42" (1/1) ... [2022-12-13 20:34:42,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:34:42,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:34:43,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:43,100 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:34:43,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:43,138 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:34:43,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43 WrapperNode [2022-12-13 20:34:43,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:43,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:43,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:34:43,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:34:43,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,165 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-12-13 20:34:43,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:43,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:34:43,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:34:43,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:34:43,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:34:43,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:34:43,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:34:43,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:34:43,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (1/1) ... [2022-12-13 20:34:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:43,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:43,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:43,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:34:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:34:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:34:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:34:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:34:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:34:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:34:43,316 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:34:43,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:34:43,400 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:34:43,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:34:43,404 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:34:43,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:43 BoogieIcfgContainer [2022-12-13 20:34:43,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:34:43,406 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:34:43,406 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:34:43,408 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:34:43,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:34:43,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:34:42" (1/3) ... [2022-12-13 20:34:43,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76a6e166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:34:43, skipping insertion in model container [2022-12-13 20:34:43,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:34:43,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:43" (2/3) ... [2022-12-13 20:34:43,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76a6e166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:34:43, skipping insertion in model container [2022-12-13 20:34:43,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:34:43,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:43" (3/3) ... [2022-12-13 20:34:43,413 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Continue1-alloca.i [2022-12-13 20:34:43,453 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:34:43,454 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:34:43,454 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:34:43,454 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:34:43,454 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:34:43,454 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:34:43,454 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:34:43,454 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:34:43,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:34:43,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:43,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:43,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:43,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 20:34:43,474 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 20:34:43,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:34:43,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:34:43,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:43,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:43,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:43,475 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 20:34:43,475 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 20:34:43,480 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 4#L552-3true [2022-12-13 20:34:43,481 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-3true goto; 3#main_Loop~3#1true call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 9#L552-1true assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 11#L554true assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4#L552-3true [2022-12-13 20:34:43,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:43,485 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 20:34:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:43,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405321117] [2022-12-13 20:34:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:43,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:43,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:43,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1109383, now seen corresponding path program 1 times [2022-12-13 20:34:43,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:43,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769140989] [2022-12-13 20:34:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:43,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:43,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:43,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:43,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:43,649 INFO L85 PathProgramCache]: Analyzing trace with hash 889536585, now seen corresponding path program 1 times [2022-12-13 20:34:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:43,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848055504] [2022-12-13 20:34:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:43,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848055504] [2022-12-13 20:34:43,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848055504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:43,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:43,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:34:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053452361] [2022-12-13 20:34:43,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:44,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:34:44,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:34:44,110 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:34:44,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:44,140 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-13 20:34:44,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-12-13 20:34:44,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:44,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 11 transitions. [2022-12-13 20:34:44,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 20:34:44,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 20:34:44,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2022-12-13 20:34:44,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:34:44,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-12-13 20:34:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2022-12-13 20:34:44,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-13 20:34:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-12-13 20:34:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-12-13 20:34:44,173 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-12-13 20:34:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:34:44,177 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-12-13 20:34:44,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:34:44,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2022-12-13 20:34:44,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:44,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:44,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:44,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 20:34:44,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 20:34:44,178 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 39#L552-3 goto; 37#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 38#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 42#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 43#main_Loop~3#1 [2022-12-13 20:34:44,178 INFO L750 eck$LassoCheckResult]: Loop: 43#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 46#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 44#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 43#main_Loop~3#1 [2022-12-13 20:34:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:44,179 INFO L85 PathProgramCache]: Analyzing trace with hash 889536583, now seen corresponding path program 1 times [2022-12-13 20:34:44,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:44,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84294227] [2022-12-13 20:34:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:44,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:44,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2022-12-13 20:34:44,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:44,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505001017] [2022-12-13 20:34:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:44,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:44,219 INFO L85 PathProgramCache]: Analyzing trace with hash 236134947, now seen corresponding path program 2 times [2022-12-13 20:34:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:44,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601781700] [2022-12-13 20:34:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:44,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:44,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:44,612 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 20:34:44,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 20:34:44,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 20:34:44,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 20:34:44,613 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 20:34:44,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:44,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 20:34:44,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 20:34:44,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration2_Lasso [2022-12-13 20:34:44,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 20:34:44,614 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 20:34:44,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:44,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:45,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 20:34:45,014 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 20:34:45,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 20:34:45,018 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 [2022-12-13 20:34:45,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:34:45,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:34:45,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:34:45,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:34:45,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 20:34:45,040 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 [2022-12-13 20:34:45,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:34:45,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:34:45,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:34:45,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 20:34:45,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,057 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 20:34:45,059 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 [2022-12-13 20:34:45,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 20:34:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 20:34:45,088 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 [2022-12-13 20:34:45,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 20:34:45,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 20:34:45,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:34:45,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 20:34:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 20:34:45,142 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 [2022-12-13 20:34:45,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 20:34:45,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,163 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 20:34:45,165 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 [2022-12-13 20:34:45,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:45,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 20:34:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,185 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 20:34:45,187 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 [2022-12-13 20:34:45,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:45,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:45,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:45,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:45,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:45,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:45,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 20:34:45,214 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-12-13 20:34:45,215 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-12-13 20:34:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 20:34:45,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 20:34:45,258 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 20:34:45,258 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 20:34:45,259 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 19 Supporting invariants [] [2022-12-13 20:34:45,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 20:34:45,291 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-12-13 20:34:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:45,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:34:45,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:45,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 20:34:45,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:45,391 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 32 treesize of output 20 [2022-12-13 20:34:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:45,406 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 20:34:45,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:34:45,442 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 20 transitions. Complement of second has 6 states. [2022-12-13 20:34:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 20:34:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:34:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-12-13 20:34:45,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2022-12-13 20:34:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:34:45,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2022-12-13 20:34:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:34:45,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2022-12-13 20:34:45,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:34:45,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2022-12-13 20:34:45,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:45,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2022-12-13 20:34:45,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 20:34:45,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-12-13 20:34:45,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2022-12-13 20:34:45,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 20:34:45,449 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-12-13 20:34:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2022-12-13 20:34:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-12-13 20:34:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2022-12-13 20:34:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-13 20:34:45,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 20:34:45,450 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 20:34:45,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 20:34:45,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-12-13 20:34:45,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:45,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:45,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:45,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2022-12-13 20:34:45,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 20:34:45,452 INFO L748 eck$LassoCheckResult]: Stem: 159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 161#L552-3 goto; 168#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 167#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 166#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 165#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 154#L552-1 [2022-12-13 20:34:45,452 INFO L750 eck$LassoCheckResult]: Loop: 154#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 162#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 157#L552-3 goto; 153#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 154#L552-1 [2022-12-13 20:34:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1805830304, now seen corresponding path program 3 times [2022-12-13 20:34:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:45,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933990140] [2022-12-13 20:34:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:45,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:45,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 2 times [2022-12-13 20:34:45,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:45,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97938979] [2022-12-13 20:34:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:45,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:45,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:45,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:45,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash -707580506, now seen corresponding path program 1 times [2022-12-13 20:34:45,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:45,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486996233] [2022-12-13 20:34:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:45,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 20:34:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:45,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:45,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486996233] [2022-12-13 20:34:45,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486996233] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:34:45,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113057701] [2022-12-13 20:34:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:45,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:34:45,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:45,696 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:34:45,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 20:34:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:45,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 20:34:45,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:45,778 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 20:34:45,779 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 20:34:45,796 INFO L321 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2022-12-13 20:34:45,796 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 67 [2022-12-13 20:34:45,807 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 [2022-12-13 20:34:45,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 20:34:45,844 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-12-13 20:34:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 20:34:45,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2022-12-13 20:34:45,877 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2022-12-13 20:34:45,882 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-12-13 20:34:45,919 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 20:34:45,919 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 20:34:45,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-12-13 20:34:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:45,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:34:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:45,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113057701] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:34:45,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:34:45,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2022-12-13 20:34:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800403438] [2022-12-13 20:34:45,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:34:46,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:46,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 20:34:46,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:34:46,070 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-12-13 20:34:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:46,138 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-12-13 20:34:46,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 32 transitions. [2022-12-13 20:34:46,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:46,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 26 transitions. [2022-12-13 20:34:46,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 20:34:46,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 20:34:46,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2022-12-13 20:34:46,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 20:34:46,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 20:34:46,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2022-12-13 20:34:46,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 20:34:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-12-13 20:34:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-12-13 20:34:46,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 20:34:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:34:46,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 20:34:46,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 20:34:46,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 26 transitions. [2022-12-13 20:34:46,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:46,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:46,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:46,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 1, 1, 1] [2022-12-13 20:34:46,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 20:34:46,144 INFO L748 eck$LassoCheckResult]: Stem: 292#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 294#L552-3 goto; 304#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 303#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 298#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 284#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 285#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 307#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 286#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 287#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 297#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 299#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 306#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 305#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 301#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 295#L552-1 [2022-12-13 20:34:46,144 INFO L750 eck$LassoCheckResult]: Loop: 295#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 296#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 288#L552-3 goto; 289#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 295#L552-1 [2022-12-13 20:34:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash 703087812, now seen corresponding path program 4 times [2022-12-13 20:34:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:46,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384158282] [2022-12-13 20:34:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:46,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:46,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:46,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:46,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 3 times [2022-12-13 20:34:46,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:46,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037181611] [2022-12-13 20:34:46,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:46,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:46,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:46,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1091176502, now seen corresponding path program 2 times [2022-12-13 20:34:46,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:46,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398950876] [2022-12-13 20:34:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:46,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:46,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398950876] [2022-12-13 20:34:46,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398950876] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:34:46,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511137006] [2022-12-13 20:34:46,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 20:34:46,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:34:46,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:46,575 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:34:46,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 20:34:46,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 20:34:46,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 20:34:46,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 20:34:46,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:46,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 14 treesize of output 14 [2022-12-13 20:34:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 20:34:46,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 20:34:46,660 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 10 treesize of output 8 [2022-12-13 20:34:46,676 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 28 treesize of output 16 [2022-12-13 20:34:46,687 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 28 treesize of output 16 [2022-12-13 20:34:46,697 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 28 treesize of output 16 [2022-12-13 20:34:46,708 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 28 treesize of output 16 [2022-12-13 20:34:46,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-12-13 20:34:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:46,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:34:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:46,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511137006] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:34:46,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:34:46,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 20 [2022-12-13 20:34:46,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589606306] [2022-12-13 20:34:46,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:34:46,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:46,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 20:34:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=232, Unknown=0, NotChecked=0, Total=380 [2022-12-13 20:34:46,901 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. cyclomatic complexity: 4 Second operand has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 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) [2022-12-13 20:34:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:47,008 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-12-13 20:34:47,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2022-12-13 20:34:47,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:47,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 44 transitions. [2022-12-13 20:34:47,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 20:34:47,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 20:34:47,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 44 transitions. [2022-12-13 20:34:47,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 20:34:47,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-13 20:34:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 44 transitions. [2022-12-13 20:34:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 20:34:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 states have internal predecessors, (44), 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) [2022-12-13 20:34:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-12-13 20:34:47,012 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-13 20:34:47,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 20:34:47,013 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-13 20:34:47,013 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 20:34:47,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 44 transitions. [2022-12-13 20:34:47,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 20:34:47,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:34:47,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:34:47,015 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 1, 1, 1] [2022-12-13 20:34:47,015 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 20:34:47,016 INFO L748 eck$LassoCheckResult]: Stem: 519#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 521#L552-3 goto; 531#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 530#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 525#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 511#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 512#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 552#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 513#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 514#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 524#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 526#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 551#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 550#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 549#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 548#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 547#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 546#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 545#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 544#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 543#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 542#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 541#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 540#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 539#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 538#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 537#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 536#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 535#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 534#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 533#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 532#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 528#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 522#L552-1 [2022-12-13 20:34:47,016 INFO L750 eck$LassoCheckResult]: Loop: 522#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 523#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 515#L552-3 goto; 516#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 522#L552-1 [2022-12-13 20:34:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1598657468, now seen corresponding path program 5 times [2022-12-13 20:34:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780467583] [2022-12-13 20:34:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 4 times [2022-12-13 20:34:47,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617633479] [2022-12-13 20:34:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:47,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1264869194, now seen corresponding path program 3 times [2022-12-13 20:34:47,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761338418] [2022-12-13 20:34:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:34:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:34:47,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:34:57,836 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 203 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 20:34:57,971 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 20:34:57,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 20:34:57,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 20:34:57,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 20:34:57,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 20:34:57,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:57,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 20:34:57,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 20:34:57,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration5_Lasso [2022-12-13 20:34:57,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 20:34:57,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 20:34:57,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:57,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:57,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:57,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:57,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 20:34:58,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 20:34:58,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 20:34:58,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 20:34:58,427 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 [2022-12-13 20:34:58,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:34:58,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:34:58,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:34:58,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 20:34:58,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,443 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 20:34:58,446 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 [2022-12-13 20:34:58,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:34:58,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:34:58,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:34:58,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 20:34:58,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,461 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 20:34:58,463 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 [2022-12-13 20:34:58,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:58,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:58,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 20:34:58,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,482 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 20:34:58,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 20:34:58,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 20:34:58,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 20:34:58,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 20:34:58,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 20:34:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,499 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 20:34:58,502 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 [2022-12-13 20:34:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:58,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:58,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 20:34:58,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,523 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 20:34:58,526 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 [2022-12-13 20:34:58,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:58,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:58,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 20:34:58,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 20:34:58,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,544 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 20:34:58,547 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 [2022-12-13 20:34:58,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 20:34:58,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 20:34:58,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 20:34:58,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 20:34:58,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 20:34:58,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 20:34:58,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 20:34:58,582 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-12-13 20:34:58,582 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-12-13 20:34:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:34:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:58,583 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:58,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 20:34:58,585 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 20:34:58,596 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-12-13 20:34:58,596 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 20:34:58,596 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_2) = -11*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_2 + 224 Supporting invariants [-22*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_2 + 23*ULTIMATE.start_main_#t~mem4#1 >= 0] [2022-12-13 20:34:58,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 20:34:58,629 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2022-12-13 20:34:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:58,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-13 20:34:58,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:58,720 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 20:34:58,721 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 20:34:58,739 INFO L321 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2022-12-13 20:34:58,740 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 67 [2022-12-13 20:34:58,746 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 [2022-12-13 20:34:58,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-13 20:34:58,788 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2022-12-13 20:34:58,791 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-12-13 20:34:58,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 20:34:58,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2022-12-13 20:34:58,854 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 20:34:58,854 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 20:34:58,884 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 28 treesize of output 16 [2022-12-13 20:34:58,913 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 28 treesize of output 16 [2022-12-13 20:34:58,946 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 28 treesize of output 16 [2022-12-13 20:34:58,975 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 28 treesize of output 16 [2022-12-13 20:34:59,002 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 28 treesize of output 16 [2022-12-13 20:34:59,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 20:34:59,043 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 28 treesize of output 16 [2022-12-13 20:34:59,073 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 28 treesize of output 16 [2022-12-13 20:34:59,107 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 28 treesize of output 16 [2022-12-13 20:34:59,141 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 28 treesize of output 16 [2022-12-13 20:34:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:59,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 20:34:59,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:59,183 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 41 treesize of output 25 [2022-12-13 20:34:59,234 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 20:34:59,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-12-13 20:34:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:59,294 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2022-12-13 20:34:59,294 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:34:59,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 42 states and 44 transitions. Complement of second has 5 states. [2022-12-13 20:34:59,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-12-13 20:34:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:34:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2022-12-13 20:34:59,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 34 letters. Loop has 4 letters. [2022-12-13 20:34:59,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:34:59,333 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 20:34:59,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:59,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-13 20:34:59,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:59,400 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 20:34:59,400 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 20:34:59,415 INFO L321 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2022-12-13 20:34:59,415 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 67 [2022-12-13 20:34:59,421 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 [2022-12-13 20:34:59,432 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 [2022-12-13 20:34:59,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-13 20:34:59,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 30 treesize of output 46 [2022-12-13 20:34:59,507 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 5 treesize of output 3 [2022-12-13 20:34:59,552 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 28 treesize of output 16 [2022-12-13 20:34:59,577 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 28 treesize of output 16 [2022-12-13 20:34:59,601 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 28 treesize of output 16 [2022-12-13 20:34:59,637 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 28 treesize of output 16 [2022-12-13 20:34:59,667 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 28 treesize of output 16 [2022-12-13 20:34:59,698 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 28 treesize of output 16 [2022-12-13 20:34:59,729 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 28 treesize of output 16 [2022-12-13 20:34:59,755 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 28 treesize of output 16 [2022-12-13 20:34:59,778 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 28 treesize of output 16 [2022-12-13 20:34:59,801 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 28 treesize of output 16 [2022-12-13 20:34:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:59,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 20:34:59,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:59,834 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 41 treesize of output 25 [2022-12-13 20:34:59,879 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 20:34:59,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-12-13 20:34:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:59,936 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2022-12-13 20:34:59,936 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:34:59,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 43 states and 45 transitions. Complement of second has 6 states. [2022-12-13 20:34:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 20:34:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:34:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2022-12-13 20:34:59,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 34 letters. Loop has 4 letters. [2022-12-13 20:34:59,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:34:59,964 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 20:34:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:00,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 20:35:00,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:00,035 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 20:35:00,035 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 20:35:00,051 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-12-13 20:35:00,051 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-12-13 20:35:00,058 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 [2022-12-13 20:35:00,070 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 [2022-12-13 20:35:00,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-12-13 20:35:00,127 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 35 treesize of output 19 [2022-12-13 20:35:00,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 20:35:00,199 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 12 treesize of output 10 [2022-12-13 20:35:12,245 WARN L233 SmtUtils]: Spent 12.03s on a formula simplification. DAG size of input: 40 DAG size of output: 10 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 20:35:12,258 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 20:35:12,258 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 20:35:12,285 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 20:35:12,285 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 20:35:12,315 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 28 treesize of output 16 [2022-12-13 20:35:12,338 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 28 treesize of output 16 [2022-12-13 20:35:12,367 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 28 treesize of output 16 [2022-12-13 20:35:12,390 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 28 treesize of output 16 [2022-12-13 20:35:12,420 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 28 treesize of output 16 [2022-12-13 20:35:12,452 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 28 treesize of output 16 [2022-12-13 20:35:12,483 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 28 treesize of output 16 [2022-12-13 20:35:12,507 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 28 treesize of output 16 [2022-12-13 20:35:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:12,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 20:35:12,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:12,541 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 41 treesize of output 25 [2022-12-13 20:35:12,591 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 20:35:12,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-12-13 20:35:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:35:12,647 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2022-12-13 20:35:12,648 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:35:12,894 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 42 states and 44 transitions. Complement of second has 33 states. [2022-12-13 20:35:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 12 stem states 0 non-accepting loop states 2 accepting loop states [2022-12-13 20:35:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:35:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 49 transitions. [2022-12-13 20:35:12,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 34 letters. Loop has 4 letters. [2022-12-13 20:35:12,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:35:12,895 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 20:35:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:12,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 20:35:12,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:12,964 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 20:35:12,965 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-12-13 20:35:12,980 INFO L321 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2022-12-13 20:35:12,980 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 67 [2022-12-13 20:35:12,985 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 [2022-12-13 20:35:12,996 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 [2022-12-13 20:35:13,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-13 20:35:13,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 30 treesize of output 50 [2022-12-13 20:35:13,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 20:35:13,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 3 [2022-12-13 20:35:13,039 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 5 treesize of output 3 [2022-12-13 20:35:13,058 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 20:35:13,058 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 1 case distinctions, treesize of input 28 treesize of output 26 [2022-12-13 20:35:13,082 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 28 treesize of output 16 [2022-12-13 20:35:13,108 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 28 treesize of output 16 [2022-12-13 20:35:13,136 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 28 treesize of output 16 [2022-12-13 20:35:13,165 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 28 treesize of output 16 [2022-12-13 20:35:13,195 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 28 treesize of output 16 [2022-12-13 20:35:13,225 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 28 treesize of output 16 [2022-12-13 20:35:13,253 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 28 treesize of output 16 [2022-12-13 20:35:13,282 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 28 treesize of output 16 [2022-12-13 20:35:13,312 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 28 treesize of output 16 [2022-12-13 20:35:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:13,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 20:35:13,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:13,351 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 41 treesize of output 25 [2022-12-13 20:35:13,401 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 20:35:13,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-12-13 20:35:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:35:13,449 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2022-12-13 20:35:13,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:35:13,708 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 62 transitions. Complement of second has 45 states. [2022-12-13 20:35:13,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 12 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 20:35:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-12-13 20:35:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 52 transitions. [2022-12-13 20:35:13,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 34 letters. Loop has 4 letters. [2022-12-13 20:35:13,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:35:13,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 38 letters. Loop has 4 letters. [2022-12-13 20:35:13,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:35:13,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 34 letters. Loop has 8 letters. [2022-12-13 20:35:13,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 20:35:13,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 62 transitions. [2022-12-13 20:35:13,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 20:35:13,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 0 states and 0 transitions. [2022-12-13 20:35:13,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 20:35:13,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 20:35:13,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 20:35:13,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:35:13,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:35:13,713 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:35:13,713 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:35:13,713 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 20:35:13,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:35:13,713 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 20:35:13,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 20:35:13,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:35:13 BoogieIcfgContainer [2022-12-13 20:35:13,719 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:35:13,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:35:13,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:35:13,720 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:35:13,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:43" (3/4) ... [2022-12-13 20:35:13,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:35:13,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:35:13,722 INFO L158 Benchmark]: Toolchain (without parser) took 30819.61ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.4MB in the beginning and 110.9MB in the end (delta: -8.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-13 20:35:13,722 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:13,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.45ms. Allocated memory is still 138.4MB. Free memory was 101.9MB in the beginning and 86.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:35:13,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.33ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:13,723 INFO L158 Benchmark]: Boogie Preprocessor took 15.57ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:13,723 INFO L158 Benchmark]: RCFGBuilder took 223.69ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 73.2MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:35:13,723 INFO L158 Benchmark]: BuchiAutomizer took 30313.28ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.2MB in the beginning and 110.9MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:13,724 INFO L158 Benchmark]: Witness Printer took 2.32ms. Allocated memory is still 167.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:13,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 109.8MB in the beginning and 109.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.45ms. Allocated memory is still 138.4MB. Free memory was 101.9MB in the beginning and 86.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.33ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.57ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 83.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.69ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 73.2MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 30313.28ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.2MB in the beginning and 110.9MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.32ms. Allocated memory is still 167.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 1 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 19 + -2 * unknown-#memory_int-unknown[i][i] and consists of 4 locations. One nondeterministic module has affine ranking function -11 * unknown-#memory_int-unknown[i][i] + 224 and consists of 15 locations. 3 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.2s and 6 iterations. TraceHistogramMax:11. Analysis of lassos took 14.7s. Construction of modules took 0.2s. Büchi inclusion checks took 15.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 60 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital243 mio100 ax107 hnf100 lsp89 ukn49 mio100 lsp39 div100 bol100 ite100 ukn100 eq183 hnf88 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 20:35:13,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 20:35:13,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 20:35:14,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcdb489-16be-430d-ae6f-9e4bc145a926/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE