./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc --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 682a48acff360d61f631a6f73c43d35eb5554cb5c1e29a6f88508c15be8e86ce --- 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-5e519f3 [2022-11-02 20:32:07,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:32:07,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:32:07,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:32:07,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:32:07,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:32:07,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:32:07,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:32:07,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:32:07,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:32:07,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:32:07,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:32:07,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:32:07,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:32:07,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:32:07,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:32:07,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:32:07,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:32:07,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:32:07,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:32:07,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:32:07,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:32:07,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:32:07,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:32:07,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:32:07,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:32:07,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:32:07,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:32:07,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:32:07,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:32:07,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:32:07,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:32:07,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:32:07,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:32:07,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:32:07,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:32:07,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:32:07,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:32:07,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:32:07,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:32:07,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:32:07,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:32:07,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:32:07,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:32:07,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:32:07,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:32:07,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:32:07,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:32:07,913 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:32:07,914 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:32:07,914 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:32:07,914 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:32:07,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:32:07,916 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:32:07,916 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:32:07,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:32:07,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:32:07,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:32:07,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:32:07,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:32:07,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:32:07,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:32:07,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:32:07,918 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:32:07,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:32:07,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:32:07,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:32:07,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:32:07,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:32:07,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:32:07,922 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:32:07,923 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_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 682a48acff360d61f631a6f73c43d35eb5554cb5c1e29a6f88508c15be8e86ce [2022-11-02 20:32:08,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:32:08,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:32:08,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:32:08,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:32:08,313 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:32:08,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i [2022-11-02 20:32:08,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/data/7896e7e94/013db6a5fe664d80963073226fa7d0ff/FLAGcc9384dd6 [2022-11-02 20:32:09,064 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:32:09,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex9.i [2022-11-02 20:32:09,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/data/7896e7e94/013db6a5fe664d80963073226fa7d0ff/FLAGcc9384dd6 [2022-11-02 20:32:09,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/data/7896e7e94/013db6a5fe664d80963073226fa7d0ff [2022-11-02 20:32:09,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:32:09,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:32:09,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:09,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:32:09,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:32:09,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09, skipping insertion in model container [2022-11-02 20:32:09,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:32:09,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:32:09,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:09,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:32:09,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:09,839 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:32:09,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09 WrapperNode [2022-11-02 20:32:09,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:09,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:09,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:32:09,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:32:09,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,889 INFO L138 Inliner]: procedures = 11, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-11-02 20:32:09,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:09,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:32:09,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:32:09,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:32:09,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:32:09,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:32:09,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:32:09,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:32:09,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (1/1) ... [2022-11-02 20:32:09,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:09,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:09,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:10,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:32:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:32:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-11-02 20:32:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-11-02 20:32:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:32:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:32:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:32:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:32:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:32:10,128 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:32:10,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:32:10,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:32:10,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:32:10,337 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:32:10,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:10 BoogieIcfgContainer [2022-11-02 20:32:10,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:32:10,348 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:32:10,349 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:32:10,354 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:32:10,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:32:10,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:32:09" (1/3) ... [2022-11-02 20:32:10,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121b069a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:32:10, skipping insertion in model container [2022-11-02 20:32:10,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:32:10,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:09" (2/3) ... [2022-11-02 20:32:10,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@121b069a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:32:10, skipping insertion in model container [2022-11-02 20:32:10,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:32:10,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:10" (3/3) ... [2022-11-02 20:32:10,360 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex9.i [2022-11-02 20:32:10,481 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:32:10,482 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:32:10,482 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:32:10,482 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:32:10,482 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:32:10,482 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:32:10,483 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:32:10,483 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:32:10,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:32:10,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:10,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:32:10,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:32:10,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:32:10,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:10,571 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:32:10,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:32:10,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:10,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:32:10,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:32:10,575 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:32:10,575 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:10,599 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem6#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1; 10#L29-3true [2022-11-02 20:32:10,600 INFO L750 eck$LassoCheckResult]: Loop: 10#L29-3true call main_#t~mem6#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 7#L29-1true assume !!(main_#t~mem6#1 > 1);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 8#L33true call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);< 13#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 11#L9true assume ~i < 0;call write~int(1 + ~i, ~op.base, ~op.offset, 4); 15#recFINALtrue assume true; 14#recEXITtrue >#33#return; 5#L33-1true havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1; 10#L29-3true [2022-11-02 20:32:10,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-11-02 20:32:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:10,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389756751] [2022-11-02 20:32:10,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:10,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:10,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:10,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:10,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 51331199, now seen corresponding path program 1 times [2022-11-02 20:32:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:10,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202268122] [2022-11-02 20:32:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:32:11,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:11,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202268122] [2022-11-02 20:32:11,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202268122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:11,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:11,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:32:11,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249473910] [2022-11-02 20:32:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:11,850 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:32:11,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:11,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:32:11,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:32:11,906 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:32:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:12,093 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-11-02 20:32:12,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-11-02 20:32:12,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:12,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2022-11-02 20:32:12,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-02 20:32:12,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-02 20:32:12,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-11-02 20:32:12,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:32:12,114 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-02 20:32:12,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-11-02 20:32:12,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-02 20:32:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:32:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-11-02 20:32:12,159 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-02 20:32:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:32:12,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-02 20:32:12,166 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:32:12,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2022-11-02 20:32:12,168 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:12,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:32:12,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:32:12,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:32:12,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:12,172 INFO L748 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 56#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem6#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1; 57#L29-3 [2022-11-02 20:32:12,174 INFO L750 eck$LassoCheckResult]: Loop: 57#L29-3 call main_#t~mem6#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 58#L29-1 assume !!(main_#t~mem6#1 > 1);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 61#L33 call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);< 66#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 59#L9 assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset; 60#L15 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 66#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 59#L9 assume ~i < 0;call write~int(1 + ~i, ~op.base, ~op.offset, 4); 62#recFINAL assume true; 67#recEXIT >#31#return; 63#L15-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 64#recFINAL assume true; 68#recEXIT >#33#return; 65#L33-1 havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1; 57#L29-3 [2022-11-02 20:32:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2022-11-02 20:32:12,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:12,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990350116] [2022-11-02 20:32:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:12,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:12,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash 198344305, now seen corresponding path program 1 times [2022-11-02 20:32:12,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:12,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898007468] [2022-11-02 20:32:12,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:12,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:12,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1849555021, now seen corresponding path program 1 times [2022-11-02 20:32:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:12,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543441371] [2022-11-02 20:32:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:32:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:32:12,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:12,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543441371] [2022-11-02 20:32:12,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543441371] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:32:12,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886089297] [2022-11-02 20:32:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:12,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:32:12,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:12,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:32:12,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:32:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:13,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-02 20:32:13,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:13,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-02 20:32:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:32:13,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-11-02 20:32:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:32:13,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:32:13,619 WARN L833 $PredicateComparison]: unable to prove that (or (not (< 1 |c_ULTIMATE.start_main_#t~mem6#1|)) (forall ((v_ArrVal_138 (Array Int Int)) (v_ArrVal_140 Int) (v_ArrVal_141 (Array Int Int)) (|ULTIMATE.start_main_~pp~0#1.offset| Int) (v_ArrVal_137 (Array Int Int))) (or (not (<= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~qq~0#1.base|) |c_ULTIMATE.start_main_~qq~0#1.offset|) (+ v_ArrVal_140 1))) (< 0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~qq~0#1.base| v_ArrVal_141) |c_ULTIMATE.start_main_~pp~0#1.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~qq~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~pp~0#1.base|) |ULTIMATE.start_main_~pp~0#1.offset| v_ArrVal_140)) |c_ULTIMATE.start_main_~qq~0#1.base| v_ArrVal_138) |c_ULTIMATE.start_main_~pp~0#1.base|) |ULTIMATE.start_main_~pp~0#1.offset|))))) is different from false [2022-11-02 20:32:13,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2022-11-02 20:32:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:32:13,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886089297] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:32:13,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:32:13,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 15 [2022-11-02 20:32:13,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7721361] [2022-11-02 20:32:13,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:32:15,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:32:15,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=144, Unknown=1, NotChecked=24, Total=210 [2022-11-02 20:32:15,112 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 15 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:32:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:15,329 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-02 20:32:15,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-11-02 20:32:15,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:15,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2022-11-02 20:32:15,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-02 20:32:15,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-02 20:32:15,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-11-02 20:32:15,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:32:15,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-02 20:32:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-11-02 20:32:15,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-02 20:32:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:32:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-02 20:32:15,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-02 20:32:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:32:15,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-02 20:32:15,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:32:15,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-11-02 20:32:15,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:32:15,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:32:15,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:32:15,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:32:15,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:15,342 INFO L748 eck$LassoCheckResult]: Stem: 217#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 218#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem6#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet5#1; 219#L29-3 [2022-11-02 20:32:15,342 INFO L750 eck$LassoCheckResult]: Loop: 219#L29-3 call main_#t~mem6#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 220#L29-1 assume !!(main_#t~mem6#1 > 1);havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int(main_#t~post8#1 - 1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(0, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem10#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 222#L33 call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem10#1);< 228#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 221#L9 assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset; 223#L15 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 228#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 221#L9 assume !(~i < 0);call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc1.base, #t~malloc1.offset;havoc #t~malloc1.base, #t~malloc1.offset; 223#L15 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 228#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 221#L9 assume ~i < 0;call write~int(1 + ~i, ~op.base, ~op.offset, 4); 224#recFINAL assume true; 229#recEXIT >#31#return; 225#L15-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 226#recFINAL assume true; 233#recEXIT >#31#return; 231#L15-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 232#recFINAL assume true; 230#recEXIT >#33#return; 227#L33-1 havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1; 219#L29-3 [2022-11-02 20:32:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:15,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2022-11-02 20:32:15,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:15,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992379334] [2022-11-02 20:32:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:15,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1148543297, now seen corresponding path program 2 times [2022-11-02 20:32:15,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:15,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280074854] [2022-11-02 20:32:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:15,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1421169023, now seen corresponding path program 2 times [2022-11-02 20:32:15,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:15,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955951390] [2022-11-02 20:32:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:15,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:32:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:32:15,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:32:18,191 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:32:18,192 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:32:18,192 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:32:18,192 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:32:18,192 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:32:18,192 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:18,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:32:18,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:32:18,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex9.i_Iteration3_Lasso [2022-11-02 20:32:18,193 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:32:18,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:32:18,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:18,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:32:19,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:32:19,016 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:32:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,027 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 [2022-11-02 20:32:19,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:32:19,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,112 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 [2022-11-02 20:32:19,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:32:19,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:32:19,203 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 [2022-11-02 20:32:19,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:19,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:19,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,273 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,281 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 [2022-11-02 20:32:19,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:32:19,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,371 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 [2022-11-02 20:32:19,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:32:19,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:32:19,430 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 [2022-11-02 20:32:19,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,504 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:32:19,508 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 [2022-11-02 20:32:19,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:19,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:19,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,589 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:32:19,598 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 [2022-11-02 20:32:19,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,675 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 [2022-11-02 20:32:19,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:32:19,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:19,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:19,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:19,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:32:19,719 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 [2022-11-02 20:32:19,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:19,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:19,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,814 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,827 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 [2022-11-02 20:32:19,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:32:19,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:19,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:19,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,909 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,917 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 [2022-11-02 20:32:19,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:32:19,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:19,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:19,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:19,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:19,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:19,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:19,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:19,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:19,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:19,996 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:19,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:32:20,000 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 [2022-11-02 20:32:20,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:20,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:20,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:20,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:20,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:20,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:20,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:20,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:20,089 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:20,100 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 [2022-11-02 20:32:20,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:32:20,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:20,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:32:20,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:20,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:20,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:20,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:32:20,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:32:20,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:32:20,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:20,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:20,180 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:20,192 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 [2022-11-02 20:32:20,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:32:20,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:32:20,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:32:20,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:32:20,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:32:20,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:32:20,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:32:20,234 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:32:20,252 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-02 20:32:20,253 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-02 20:32:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:32:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:20,274 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:20,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:32:20,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:32:20,356 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:32:20,356 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:32:20,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2022-11-02 20:32:20,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:20,448 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-11-02 20:32:20,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:20,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:32:20,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:20,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-02 20:32:20,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:20,833 INFO L356 Elim1Store]: treesize reduction 52, result has 52.3 percent of original size [2022-11-02 20:32:20,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 130 treesize of output 316 [2022-11-02 20:32:20,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:32:20,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-11-02 20:32:20,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2022-11-02 20:32:20,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 14 [2022-11-02 20:32:21,416 INFO L356 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-02 20:32:21,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 414 treesize of output 409 [2022-11-02 20:32:21,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4eb557d-0b02-40af-b58e-eb7cab3f8b92/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:21,951 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:32:21,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 58 [2022-11-02 20:32:22,046 INFO L356 Elim1Store]: treesize reduction 24, result has 25.0 percent of original size [2022-11-02 20:32:22,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 602 treesize of output 530 [2022-11-02 20:32:22,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:32:22,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-11-02 20:32:25,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-02 20:32:26,648 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:32:26,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-02 20:33:14,839 WARN L234 SmtUtils]: Spent 48.10s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:33:15,514 INFO L356 Elim1Store]: treesize reduction 108, result has 49.8 percent of original size [2022-11-02 20:33:15,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 301 treesize of output 358 [2022-11-02 20:33:15,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 191 treesize of output 187 [2022-11-02 20:33:15,640 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:33:15,640 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 188 [2022-11-02 20:33:15,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 179 treesize of output 175 [2022-11-02 20:33:15,711 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:33:15,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 176 [2022-11-02 20:33:15,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 167 treesize of output 163 [2022-11-02 20:33:15,783 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:33:15,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 164 [2022-11-02 20:33:16,007 INFO L356 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2022-11-02 20:33:16,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 81 [2022-11-02 20:33:20,356 INFO L356 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-11-02 20:33:20,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 183 treesize of output 170 [2022-11-02 20:33:20,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 51 [2022-11-02 20:33:20,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:20,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:20,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 46 [2022-11-02 20:33:20,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 46 [2022-11-02 20:33:20,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2022-11-02 20:33:20,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-02 20:33:20,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 18 [2022-11-02 20:33:20,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-02 20:33:21,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:23,113 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:33:23,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 54 treesize of output 33 [2022-11-02 20:33:23,134 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:33:23,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-02 20:33:23,578 INFO L356 Elim1Store]: treesize reduction 69, result has 30.3 percent of original size [2022-11-02 20:33:23,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 72 treesize of output 74 [2022-11-02 20:33:23,657 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:33:23,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2022-11-02 20:33:23,760 INFO L356 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2022-11-02 20:33:23,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 61 treesize of output 45 [2022-11-02 20:33:23,778 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:33:23,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 26 [2022-11-02 20:33:23,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:24,013 INFO L356 Elim1Store]: treesize reduction 69, result has 24.2 percent of original size [2022-11-02 20:33:24,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 54 treesize of output 54 [2022-11-02 20:33:24,077 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:33:24,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2022-11-02 20:33:24,110 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:33:24,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2022-11-02 20:33:24,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:24,337 INFO L356 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2022-11-02 20:33:24,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 33 [2022-11-02 20:33:24,372 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:33:24,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2022-11-02 20:33:24,486 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:33:24,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 15 [2022-11-02 20:33:24,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:24,532 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:33:24,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 19 [2022-11-02 20:33:24,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:33:24,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 15 [2022-11-02 20:33:24,781 INFO L356 Elim1Store]: treesize reduction 42, result has 30.0 percent of original size [2022-11-02 20:33:24,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 case distinctions, treesize of input 281 treesize of output 269 [2022-11-02 20:33:25,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:25,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 67 [2022-11-02 20:33:41,292 WARN L234 SmtUtils]: Spent 15.51s on a formula simplification. DAG size of input: 230 DAG size of output: 41 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:33:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:33:41,298 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 15 loop predicates [2022-11-02 20:33:41,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 11 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:33:41,600 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 11 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Result 33 states and 45 transitions. Complement of second has 17 states. [2022-11-02 20:33:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-02 20:33:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 11 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:33:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2022-11-02 20:33:41,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 2 letters. Loop has 20 letters. [2022-11-02 20:33:41,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:33:41,605 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:33:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:41,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:33:41,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:41,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-02 20:33:41,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:41,858 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-02 20:33:41,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 89 [2022-11-02 20:33:41,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:41,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:41,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:33:41,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 47 treesize of output 15 [2022-11-02 20:33:41,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:42,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-02 20:33:58,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:33:58,451 INFO L356 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2022-11-02 20:33:58,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 68 treesize of output 75 [2022-11-02 20:33:58,534 INFO L356 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2022-11-02 20:33:58,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 34 [2022-11-02 20:33:58,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-11-02 20:33:58,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:58,676 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:33:58,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 36 [2022-11-02 20:34:23,245 WARN L234 SmtUtils]: Spent 24.26s on a formula simplification. DAG size of input: 47 DAG size of output: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:34:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:34:23,248 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 13 loop predicates [2022-11-02 20:34:23,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 14 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:34:23,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand has 14 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Result 20 states and 22 transitions. Complement of second has 5 states. [2022-11-02 20:34:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:34:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:34:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2022-11-02 20:34:23,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 2 letters. Loop has 20 letters. [2022-11-02 20:34:23,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:34:23,275 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:34:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:23,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:34:23,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:23,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-02 20:34:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:23,655 INFO L356 Elim1Store]: treesize reduction 52, result has 52.3 percent of original size [2022-11-02 20:34:23,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 130 treesize of output 316 [2022-11-02 20:34:23,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:23,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2022-11-02 20:34:23,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-11-02 20:34:23,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 14 [2022-11-02 20:34:24,503 INFO L356 Elim1Store]: treesize reduction 43, result has 38.6 percent of original size [2022-11-02 20:34:24,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 395 treesize of output 507 [2022-11-02 20:34:24,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:25,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:25,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 9 [2022-11-02 20:34:25,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:25,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:25,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 1 [2022-11-02 20:34:25,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 67 treesize of output 61 [2022-11-02 20:34:25,586 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:34:25,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 66 [2022-11-02 20:34:25,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-02 20:34:25,766 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:34:25,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 12 [2022-11-02 20:34:33,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-02 20:34:33,884 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:34:33,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-02 20:34:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:34,139 INFO L356 Elim1Store]: treesize reduction 29, result has 34.1 percent of original size [2022-11-02 20:34:34,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 56 [2022-11-02 20:34:34,175 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-02 20:34:34,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-02 20:34:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:34:34,382 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 15 loop predicates [2022-11-02 20:34:34,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:34:34,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Result 33 states and 45 transitions. Complement of second has 17 states. [2022-11-02 20:34:34,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-02 20:34:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:34:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2022-11-02 20:34:34,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 2 letters. Loop has 20 letters. [2022-11-02 20:34:34,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:34:34,679 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:34:34,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:34,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:34:34,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:34,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-02 20:34:34,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:35,117 INFO L356 Elim1Store]: treesize reduction 52, result has 52.3 percent of original size [2022-11-02 20:34:35,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 130 treesize of output 316 [2022-11-02 20:34:35,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-11-02 20:34:35,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:35,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2022-11-02 20:34:35,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 14 [2022-11-02 20:34:35,724 INFO L356 Elim1Store]: treesize reduction 52, result has 23.5 percent of original size [2022-11-02 20:34:35,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 261 treesize of output 226 [2022-11-02 20:34:35,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:35,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:35,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 56 treesize of output 5 [2022-11-02 20:34:36,072 INFO L356 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-02 20:34:36,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 157 [2022-11-02 20:34:36,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 75 treesize of output 65 [2022-11-02 20:34:36,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-11-02 20:34:36,695 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-02 20:34:36,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 12 [2022-11-02 20:34:47,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2022-11-02 20:34:51,420 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:34:51,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-02 20:35:24,405 WARN L234 SmtUtils]: Spent 32.77s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:35:24,926 INFO L356 Elim1Store]: treesize reduction 120, result has 33.7 percent of original size [2022-11-02 20:35:24,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 361 treesize of output 384 [2022-11-02 20:35:24,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 259 treesize of output 255 [2022-11-02 20:35:24,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 255 treesize of output 251 [2022-11-02 20:35:24,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 251 treesize of output 247 [2022-11-02 20:35:25,033 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:35:25,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 250 [2022-11-02 20:35:25,077 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:35:25,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 244 [2022-11-02 20:35:25,127 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:35:25,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 235 treesize of output 238 [2022-11-02 20:35:25,323 INFO L356 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2022-11-02 20:35:25,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 73 [2022-11-02 20:35:26,498 INFO L356 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-02 20:35:26,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 78 [2022-11-02 20:35:27,221 INFO L356 Elim1Store]: treesize reduction 48, result has 52.5 percent of original size [2022-11-02 20:35:27,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 111 [2022-11-02 20:35:30,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 36 [2022-11-02 20:35:31,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2022-11-02 20:35:31,350 INFO L356 Elim1Store]: treesize reduction 65, result has 1.5 percent of original size [2022-11-02 20:35:31,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 7 [2022-11-02 20:35:31,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-02 20:35:31,456 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-02 20:35:31,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 19 treesize of output 1 [2022-11-02 20:35:31,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2022-11-02 20:35:31,533 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-02 20:35:31,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 19 treesize of output 1 [2022-11-02 20:35:33,272 INFO L356 Elim1Store]: treesize reduction 267, result has 18.3 percent of original size [2022-11-02 20:35:33,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 168 treesize of output 321 [2022-11-02 20:35:39,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:39,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:39,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:39,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:40,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:40,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:40,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:41,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:41,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:41,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:50,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:51,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:51,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:51,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:51,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:51,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:52,131 INFO L356 Elim1Store]: treesize reduction 38, result has 32.1 percent of original size [2022-11-02 20:35:52,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 166 treesize of output 159 [2022-11-02 20:35:52,508 INFO L356 Elim1Store]: treesize reduction 138, result has 27.4 percent of original size [2022-11-02 20:35:52,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 564 treesize of output 585 [2022-11-02 20:35:53,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2022-11-02 20:35:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:53,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2022-11-02 20:35:53,932 INFO L356 Elim1Store]: treesize reduction 385, result has 9.8 percent of original size [2022-11-02 20:35:53,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 324 treesize of output 505 [2022-11-02 20:35:55,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:55,870 INFO L356 Elim1Store]: treesize reduction 56, result has 8.2 percent of original size [2022-11-02 20:35:55,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 199 treesize of output 260 [2022-11-02 20:35:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:57,575 INFO L356 Elim1Store]: treesize reduction 487, result has 10.0 percent of original size [2022-11-02 20:35:57,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 1131 treesize of output 1742 [2022-11-02 20:36:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:36:00,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:36:08,152 WARN L234 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 174 DAG size of output: 71 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-02 20:36:08,153 INFO L356 Elim1Store]: treesize reduction 721, result has 19.2 percent of original size [2022-11-02 20:36:08,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 1267 treesize of output 2386