./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:14:46,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:14:46,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:14:46,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:14:46,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:14:46,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:14:46,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:14:46,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:14:46,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:14:46,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:14:46,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:14:46,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:14:46,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:14:46,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:14:46,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:14:46,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:14:46,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:14:46,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:14:46,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:14:46,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:14:46,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:14:46,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:14:46,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:14:46,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:14:46,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:14:46,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:14:46,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:14:46,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:14:46,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:14:46,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:14:46,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:14:46,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:14:46,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:14:46,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:14:46,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:14:46,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:14:46,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:14:46,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:14:46,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:14:46,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:14:46,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:14:46,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:14:46,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:14:46,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:14:46,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:14:46,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:14:46,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:14:46,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:14:46,970 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:14:46,970 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:14:46,971 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:14:46,971 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:14:46,971 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:14:46,972 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:14:46,972 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:14:46,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:14:46,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:14:46,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:14:46,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:14:46,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:14:46,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:14:46,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:14:46,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:14:46,975 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:14:46,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:14:46,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:14:46,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:14:46,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:14:46,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:14:46,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:14:46,978 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:14:46,978 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_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b [2022-11-20 11:14:47,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:14:47,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:14:47,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:14:47,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:14:47,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:14:47,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-20 11:14:51,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:14:51,334 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:14:51,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-20 11:14:51,350 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/data/4b3c324bc/ab930992d09b4d8d9b7aac1db9661236/FLAGf759617ee [2022-11-20 11:14:51,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/data/4b3c324bc/ab930992d09b4d8d9b7aac1db9661236 [2022-11-20 11:14:51,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:14:51,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:14:51,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:14:51,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:14:51,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:14:51,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:51,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673adbf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51, skipping insertion in model container [2022-11-20 11:14:51,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:51,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:14:51,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:14:51,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:14:51,818 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:14:51,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:14:51,924 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:14:51,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51 WrapperNode [2022-11-20 11:14:51,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:14:51,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:14:51,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:14:51,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:14:51,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:51,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,006 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-20 11:14:52,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:14:52,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:14:52,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:14:52,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:14:52,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:14:52,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:14:52,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:14:52,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:14:52,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (1/1) ... [2022-11-20 11:14:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:52,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:52,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:14:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:14:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:14:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:14:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:14:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:14:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:14:52,352 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:14:52,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:14:52,548 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:14:52,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:14:52,555 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:14:52,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:52 BoogieIcfgContainer [2022-11-20 11:14:52,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:14:52,559 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:14:52,560 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:14:52,565 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:14:52,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:14:52,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:14:51" (1/3) ... [2022-11-20 11:14:52,567 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307c94f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:14:52, skipping insertion in model container [2022-11-20 11:14:52,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:14:52,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:51" (2/3) ... [2022-11-20 11:14:52,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307c94f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:14:52, skipping insertion in model container [2022-11-20 11:14:52,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:14:52,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:52" (3/3) ... [2022-11-20 11:14:52,570 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.09-no-inv_assume-alloca.i [2022-11-20 11:14:52,630 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:14:52,631 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:14:52,631 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:14:52,631 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:14:52,632 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:14:52,632 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:14:52,632 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:14:52,632 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:14:52,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:14:52,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:14:52,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:14:52,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:14:52,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:14:52,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:14:52,670 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:14:52,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:14:52,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:14:52,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:14:52,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:14:52,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:14:52,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:14:52,683 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem8#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 10#L555true assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 6#L555-2true assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 5#L558-3true [2022-11-20 11:14:52,684 INFO L750 eck$LassoCheckResult]: Loop: 5#L558-3true call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 7#L558-1true assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 11#L559true assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 12#L559-2true call test_fun_#t~mem13#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem13#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem13#1; 5#L558-3true [2022-11-20 11:14:52,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:52,692 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2022-11-20 11:14:52,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:52,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639849370] [2022-11-20 11:14:52,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:14:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:14:53,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:53,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1482698, now seen corresponding path program 1 times [2022-11-20 11:14:53,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:53,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905611995] [2022-11-20 11:14:53,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:53,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:14:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:14:53,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash 180521906, now seen corresponding path program 1 times [2022-11-20 11:14:53,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:14:53,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109128801] [2022-11-20 11:14:53,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:14:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:14:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:14:53,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:14:54,662 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:14:54,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:14:54,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:14:54,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:14:54,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:14:54,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:54,664 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:14:54,664 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:14:54,664 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09-no-inv_assume-alloca.i_Iteration1_Lasso [2022-11-20 11:14:54,664 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:14:54,664 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:14:54,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:54,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:55,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:14:56,515 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:14:56,520 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:14:56,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:14:56,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:14:56,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:14:56,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:14:56,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:14:56,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:14:56,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:56,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:56,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,825 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:14:56,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:56,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:56,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:56,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:14:56,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:56,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:56,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,931 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:14:56,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:56,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:56,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:56,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:56,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:56,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:56,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:56,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:56,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:56,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:56,994 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:56,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:56,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:14:57,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:14:57,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:57,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:14:57,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:14:57,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:57,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,031 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:57,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:57,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:14:57,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:57,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:57,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:57,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:57,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:14:57,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:57,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:57,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:57,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:57,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,235 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:57,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:14:57,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:57,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:57,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:57,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:57,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:14:57,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:14:57,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:14:57,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:14:57,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:14:57,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,341 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:14:57,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:14:57,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:14:57,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:14:57,366 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:14:57,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:14:57,396 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 11:14:57,397 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 11:14:57,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:14:57,512 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 11:14:57,512 INFO L444 ModelExtractionUtils]: 16 out of 46 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-20 11:14:57,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:14:57,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:14:57,571 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:14:57,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:14:57,663 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-20 11:14:57,663 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:14:57,664 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 >= 0] [2022-11-20 11:14:57,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,819 INFO L156 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2022-11-20 11:14:57,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:57,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:14:57,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:58,215 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-20 11:14:58,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-20 11:14:58,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:58,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 11:14:58,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:14:58,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:14:58,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:14:58,686 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-20 11:14:58,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 162 [2022-11-20 11:14:58,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:14:58,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:14:58,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:14:58,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 15 [2022-11-20 11:14:58,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:14:59,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 20 [2022-11-20 11:14:59,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 11:14:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:59,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 11:14:59,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:59,904 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-20 11:14:59,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 11:14:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:15:00,015 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-20 11:15:00,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:00,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-20 11:15:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-20 11:15:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-20 11:15:00,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:15:00,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:15:00,061 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:15:00,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:00,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:15:00,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:00,348 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-20 11:15:00,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-20 11:15:00,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 11:15:00,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:00,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 11:15:00,761 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-20 11:15:00,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 218 [2022-11-20 11:15:00,794 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-20 11:15:00,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 23 [2022-11-20 11:15:00,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:00,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 11:15:00,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 11:15:00,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:01,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 11:15:01,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:01,508 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-20 11:15:01,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 11:15:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:15:01,562 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-20 11:15:01,563 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:01,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-20 11:15:01,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-20 11:15:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-20 11:15:01,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:15:01,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:15:01,567 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:15:01,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:01,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:15:01,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:01,821 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-20 11:15:01,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-20 11:15:01,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 11:15:01,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:01,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 11:15:02,256 INFO L321 Elim1Store]: treesize reduction 69, result has 18.8 percent of original size [2022-11-20 11:15:02,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 307 [2022-11-20 11:15:02,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 11:15:02,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 11:15:02,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:02,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:02,564 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-20 11:15:02,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 16 [2022-11-20 11:15:02,749 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (let ((.cse11 (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse10 (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~c~0#1.base|) 0))) (or (and (or (exists ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int))) (let ((.cse0 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30))) (let ((.cse4 (select .cse0 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= (select .cse0 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_29) (exists ((v_prenex_36 (Array Int Int)) (v_prenex_38 (Array Int Int)) (v_prenex_37 (Array Int Int))) (let ((.cse2 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_38) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_36) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_37) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_38) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_36) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_37))) (let ((.cse3 (select v_prenex_37 0)) (.cse1 (select .cse2 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= .cse1 v_prenex_38) (= (select .cse2 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_prenex_36) (= .cse3 (select v_DerPreprocessor_30 0)) (= .cse1 .cse4) (= .cse3 .cse5) (<= .cse3 0) (= .cse1 .cse6))))) (= v_DerPreprocessor_28 .cse4))))) (and (exists ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_19 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int))) (let ((.cse7 (select v_DerPreprocessor_21 0)) (.cse8 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_29) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_30)) (.cse9 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_21))) (and (= .cse7 (select v_DerPreprocessor_30 0)) (= (select .cse8 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_29) (= .cse7 .cse5) (<= .cse7 0) (= v_DerPreprocessor_19 (select .cse9 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= v_DerPreprocessor_28 (select .cse8 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= (select .cse9 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) v_DerPreprocessor_20)))) .cse10)) .cse11) (and (not .cse11) (let ((.cse13 (<= .cse5 0))) (or (and (exists ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (let ((.cse12 (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_25) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_26) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_27))) (and (= v_DerPreprocessor_25 (select .cse12 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) (select .cse12 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= (select v_DerPreprocessor_27 0) .cse5)))) .cse13) (and (not .cse10) .cse13)))))) c_unseeded (or (<= 1 (select .cse6 0)) |c_ULTIMATE.start_test_fun_#t~short7#1|))) is different from true [2022-11-20 11:15:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:03,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 11:15:03,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:03,118 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-20 11:15:03,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 11:15:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:15:03,166 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-20 11:15:03,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:03,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-20 11:15:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-20 11:15:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-20 11:15:03,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:15:03,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:15:03,171 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:15:03,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:03,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:15:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:03,425 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-20 11:15:03,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-20 11:15:03,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 11:15:03,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:03,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 11:15:04,029 INFO L321 Elim1Store]: treesize reduction 77, result has 9.4 percent of original size [2022-11-20 11:15:04,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 203 treesize of output 213 [2022-11-20 11:15:04,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 11:15:04,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:04,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 11:15:04,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:04,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 11 [2022-11-20 11:15:04,296 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and c_unseeded (let ((.cse6 (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse0 (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| |c_ULTIMATE.start_test_fun_~c~0#1.base|)) (.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~c~0#1.base|) 0))) (or (and (let ((.cse1 (<= .cse3 0))) (or (and .cse0 .cse1) (and (exists ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_DerPreprocessor_42 (Array Int Int))) (let ((.cse4 (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_40) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_41) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_42))) (let ((.cse2 (select .cse4 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (= .cse2 v_DerPreprocessor_40) (= (select v_DerPreprocessor_42 0) .cse3) (= (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) (select .cse4 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse2 .cse5))))) (not .cse0) .cse1))) (not .cse6)) (and .cse6 (or (exists ((v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int))) (let ((.cse11 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39))) (let ((.cse10 (select .cse11 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|))) (and (exists ((v_prenex_47 (Array Int Int)) (v_prenex_49 (Array Int Int)) (v_prenex_48 (Array Int Int))) (let ((.cse8 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_47) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_48) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_49) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_prenex_47) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_prenex_48) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_prenex_49))) (let ((.cse7 (select .cse8 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (.cse9 (select v_prenex_49 0))) (and (= .cse5 .cse7) (= v_prenex_47 .cse7) (= v_prenex_48 (select .cse8 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse9 (select v_DerPreprocessor_39 0)) (= .cse10 .cse7) (<= .cse9 0) (= .cse9 .cse3))))) (= v_DerPreprocessor_38 (select .cse11 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= v_DerPreprocessor_37 .cse10))))) (and .cse0 (exists ((v_DerPreprocessor_31 (Array Int Int)) (v_DerPreprocessor_32 (Array Int Int)) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int)) (v_DerPreprocessor_33 (Array Int Int))) (let ((.cse13 (select v_DerPreprocessor_33 0)) (.cse12 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_37) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_38) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_39)) (.cse14 (store (store (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_32) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_33) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_DerPreprocessor_32) |c_ULTIMATE.start_test_fun_~c~0#1.base| v_DerPreprocessor_33))) (and (= v_DerPreprocessor_38 (select .cse12 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= .cse13 (select v_DerPreprocessor_39 0)) (= .cse13 .cse3) (<= .cse13 0) (= v_DerPreprocessor_37 (select .cse12 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (= v_DerPreprocessor_32 (select .cse14 |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|)) (= v_DerPreprocessor_31 (select .cse14 |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|)))))))))) (or (<= 1 (select .cse5 0)) |c_ULTIMATE.start_test_fun_#t~short7#1|))) is different from true [2022-11-20 11:15:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 11:15:04,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:04,731 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-20 11:15:04,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 11:15:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:15:04,816 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-20 11:15:04,817 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:04,819 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 2 states. [2022-11-20 11:15:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-20 11:15:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-20 11:15:04,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:15:04,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:15:04,821 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:15:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:04,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:15:04,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:05,111 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-20 11:15:05,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-11-20 11:15:05,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 11:15:05,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:05,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 11:15:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 11:15:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 11:15:05,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 65 [2022-11-20 11:15:05,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:05,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:05,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,568 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-20 11:15:05,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 140 treesize of output 151 [2022-11-20 11:15:05,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:05,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 11:15:05,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 5 [2022-11-20 11:15:05,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 11:15:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:06,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 11:15:06,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:06,246 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-20 11:15:06,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 11:15:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:15:06,298 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-20 11:15:06,299 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:06,345 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 18 transitions. Complement of second has 5 states 4 powerset states1 rank states. The highest rank that occured is 1 [2022-11-20 11:15:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 11:15:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:15:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2022-11-20 11:15:06,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:15:06,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:15:06,348 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:15:06,349 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:15:06,352 INFO L158 Benchmark]: Toolchain (without parser) took 14972.32ms. Allocated memory was 121.6MB in the beginning and 199.2MB in the end (delta: 77.6MB). Free memory was 90.4MB in the beginning and 146.3MB in the end (delta: -56.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-20 11:15:06,352 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:15:06,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.97ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 74.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:15:06,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.71ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 72.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:15:06,353 INFO L158 Benchmark]: Boogie Preprocessor took 58.41ms. Allocated memory is still 121.6MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:15:06,354 INFO L158 Benchmark]: RCFGBuilder took 478.91ms. Allocated memory is still 121.6MB. Free memory was 71.5MB in the beginning and 59.0MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:15:06,354 INFO L158 Benchmark]: BuchiAutomizer took 13791.71ms. Allocated memory was 121.6MB in the beginning and 199.2MB in the end (delta: 77.6MB). Free memory was 59.0MB in the beginning and 146.3MB in the end (delta: -87.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:15:06,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.97ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 74.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.71ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 72.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.41ms. Allocated memory is still 121.6MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.91ms. Allocated memory is still 121.6MB. Free memory was 71.5MB in the beginning and 59.0MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 13791.71ms. Allocated memory was 121.6MB in the beginning and 199.2MB in the end (delta: 77.6MB). Free memory was 59.0MB in the beginning and 146.3MB in the end (delta: -87.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 11:15:06,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb56232-0c25-4b2f-8568-b615f27fdc5f/bin/uautomizer-ug76WZFUDN/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient