./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:02,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:02,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:46:02,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:02,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:02,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:02,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:02,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:02,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:02,784 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:02,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:02,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:02,786 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:02,788 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:46:02,789 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:46:02,789 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:46:02,789 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:46:02,790 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:46:02,790 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:46:02,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:02,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:46:02,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:02,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:02,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:02,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:02,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:46:02,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:46:02,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:46:02,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:46:02,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:02,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:02,796 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:46:02,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:02,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:02,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:02,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:02,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:02,798 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:46:02,799 INFO L153 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_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b [2023-11-26 10:46:03,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:03,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:03,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:03,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:03,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:03,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-26 10:46:06,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:06,577 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:06,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-26 10:46:06,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/data/f22d15b74/527726ec5be64cc09b9ab51563186c98/FLAGdcd3596ed [2023-11-26 10:46:06,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/data/f22d15b74/527726ec5be64cc09b9ab51563186c98 [2023-11-26 10:46:06,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:06,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:06,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:06,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:06,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:06,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7039dff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06, skipping insertion in model container [2023-11-26 10:46:06,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:06,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:06,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:06,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:06,852 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:06,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06 WrapperNode [2023-11-26 10:46:06,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:06,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:06,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:06,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:06,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,888 INFO L138 Inliner]: procedures = 13, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2023-11-26 10:46:06,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:06,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:06,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:06,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:06,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,919 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [6, 2, 6]. 43 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [1, 2, 1]. The 4 writes are split as follows [2, 0, 2]. [2023-11-26 10:46:06,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:06,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:06,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:06,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:06,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (1/1) ... [2023-11-26 10:46:06,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:06,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:06,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:46:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2023-11-26 10:46:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2023-11-26 10:46:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:07,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2023-11-26 10:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2023-11-26 10:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:46:07,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:07,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:07,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:07,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:07,390 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:46:07,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:07 BoogieIcfgContainer [2023-11-26 10:46:07,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:07,393 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:46:07,393 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:46:07,396 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:46:07,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:07,397 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:46:06" (1/3) ... [2023-11-26 10:46:07,398 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bb711e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:46:07, skipping insertion in model container [2023-11-26 10:46:07,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:07,398 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:06" (2/3) ... [2023-11-26 10:46:07,399 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bb711e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:46:07, skipping insertion in model container [2023-11-26 10:46:07,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:46:07,399 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:07" (3/3) ... [2023-11-26 10:46:07,400 INFO L332 chiAutomizerObserver]: Analyzing ICFG recursified_nested_2.c [2023-11-26 10:46:07,451 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:46:07,452 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:46:07,452 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:46:07,452 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:46:07,452 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:46:07,452 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:46:07,452 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:46:07,453 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:46:07,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:46:07,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:07,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:07,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:07,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:07,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:07,483 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:46:07,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:46:07,486 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:07,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:07,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:07,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:07,487 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:07,496 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 21#L65true call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 22#$Ultimate##0true [2023-11-26 10:46:07,497 INFO L750 eck$LassoCheckResult]: Loop: 22#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 10#L41true assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 14#L47true call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 11#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 8#L25true assume !(#t~mem4 < 6);havoc #t~mem4; 4#L25-1true assume true; 13#func_to_recursive_line_21_to_21_0EXITtrue >#44#return; 18#L47-1true call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 5#L52true call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 22#$Ultimate##0true [2023-11-26 10:46:07,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:07,504 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 1 times [2023-11-26 10:46:07,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:07,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403829806] [2023-11-26 10:46:07,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:07,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:07,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:07,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:07,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1256528503, now seen corresponding path program 1 times [2023-11-26 10:46:07,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:07,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625806051] [2023-11-26 10:46:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:07,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:08,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:08,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625806051] [2023-11-26 10:46:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625806051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:08,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:46:08,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617262567] [2023-11-26 10:46:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:08,205 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:46:08,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:08,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:46:08,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:46:08,241 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:46:08,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:08,345 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2023-11-26 10:46:08,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2023-11-26 10:46:08,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:08,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 17 transitions. [2023-11-26 10:46:08,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 10:46:08,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-26 10:46:08,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-11-26 10:46:08,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:08,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-26 10:46:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-11-26 10:46:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-26 10:46:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:46:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-26 10:46:08,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-26 10:46:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:46:08,392 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-26 10:46:08,393 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:46:08,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-26 10:46:08,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:08,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:08,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:08,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:08,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:08,396 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 74#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 75#$Ultimate##0 [2023-11-26 10:46:08,396 INFO L750 eck$LassoCheckResult]: Loop: 75#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 78#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 70#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 76#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 71#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 76#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 69#L25-1 assume true; 72#func_to_recursive_line_21_to_21_0EXIT >#50#return; 80#L25-1 assume true; 83#func_to_recursive_line_21_to_21_0EXIT >#44#return; 81#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 73#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 75#$Ultimate##0 [2023-11-26 10:46:08,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 2 times [2023-11-26 10:46:08,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:08,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140072770] [2023-11-26 10:46:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:08,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:08,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:08,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:08,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1085452703, now seen corresponding path program 1 times [2023-11-26 10:46:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822640460] [2023-11-26 10:46:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:46:09,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:09,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822640460] [2023-11-26 10:46:09,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822640460] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:09,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378407820] [2023-11-26 10:46:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:09,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:46:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:09,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-26 10:46:09,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:09,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:46:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:46:09,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:10,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378407820] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:10,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:10,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 20 [2023-11-26 10:46:10,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900508921] [2023-11-26 10:46:10,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:10,028 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:46:10,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:10,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-26 10:46:10,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-11-26 10:46:10,036 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-26 10:46:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:10,245 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2023-11-26 10:46:10,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2023-11-26 10:46:10,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:10,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2023-11-26 10:46:10,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 10:46:10,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:46:10,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2023-11-26 10:46:10,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:10,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-26 10:46:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2023-11-26 10:46:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-26 10:46:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-26 10:46:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2023-11-26 10:46:10,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-26 10:46:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:46:10,262 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-26 10:46:10,262 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:46:10,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2023-11-26 10:46:10,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:10,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:10,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:10,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:10,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:10,269 INFO L748 eck$LassoCheckResult]: Stem: 234#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 226#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 227#$Ultimate##0 [2023-11-26 10:46:10,270 INFO L750 eck$LassoCheckResult]: Loop: 227#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 230#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 223#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 231#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 228#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 222#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 231#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 228#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 222#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 231#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 228#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 221#L25-1 assume true; 224#func_to_recursive_line_21_to_21_0EXIT >#50#return; 232#L25-1 assume true; 237#func_to_recursive_line_21_to_21_0EXIT >#50#return; 236#L25-1 assume true; 235#func_to_recursive_line_21_to_21_0EXIT >#44#return; 233#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 225#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 227#$Ultimate##0 [2023-11-26 10:46:10,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 3 times [2023-11-26 10:46:10,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:10,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589439162] [2023-11-26 10:46:10,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:10,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2145494905, now seen corresponding path program 2 times [2023-11-26 10:46:10,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638156939] [2023-11-26 10:46:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:46:11,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:11,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638156939] [2023-11-26 10:46:11,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638156939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17556061] [2023-11-26 10:46:11,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:46:11,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:11,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:11,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:46:11,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:46:11,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:11,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-26 10:46:11,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:11,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:46:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:46:11,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:12,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17556061] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:12,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:12,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 14] total 25 [2023-11-26 10:46:12,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841474766] [2023-11-26 10:46:12,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:12,381 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:46:12,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:12,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-26 10:46:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2023-11-26 10:46:12,383 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 25 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-26 10:46:12,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:12,666 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-26 10:46:12,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-26 10:46:12,667 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:12,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2023-11-26 10:46:12,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 10:46:12,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 10:46:12,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2023-11-26 10:46:12,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:12,669 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 10:46:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2023-11-26 10:46:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-26 10:46:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:46:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-26 10:46:12,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 10:46:12,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:46:12,675 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 10:46:12,676 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:46:12,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-26 10:46:12,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:12,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:12,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:12,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:12,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:12,681 INFO L748 eck$LassoCheckResult]: Stem: 439#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 434#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 431#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 432#$Ultimate##0 [2023-11-26 10:46:12,681 INFO L750 eck$LassoCheckResult]: Loop: 432#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 435#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 427#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 436#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 433#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 428#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 436#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 433#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 428#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 436#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 433#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 428#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 436#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 433#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 426#L25-1 assume true; 429#func_to_recursive_line_21_to_21_0EXIT >#50#return; 437#L25-1 assume true; 444#func_to_recursive_line_21_to_21_0EXIT >#50#return; 443#L25-1 assume true; 442#func_to_recursive_line_21_to_21_0EXIT >#50#return; 441#L25-1 assume true; 440#func_to_recursive_line_21_to_21_0EXIT >#44#return; 438#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 430#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 432#$Ultimate##0 [2023-11-26 10:46:12,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 4 times [2023-11-26 10:46:12,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:12,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909052241] [2023-11-26 10:46:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:12,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:12,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:12,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1462582353, now seen corresponding path program 3 times [2023-11-26 10:46:12,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:12,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214582375] [2023-11-26 10:46:12,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:12,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:46:13,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:13,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214582375] [2023-11-26 10:46:13,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214582375] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:13,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155125102] [2023-11-26 10:46:13,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:46:13,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:13,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:13,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:13,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:46:14,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 10:46:14,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:14,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-26 10:46:14,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:14,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:46:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 10:46:14,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:15,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155125102] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:15,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:15,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 18] total 34 [2023-11-26 10:46:15,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468617582] [2023-11-26 10:46:15,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:15,524 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:46:15,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:15,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-26 10:46:15,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2023-11-26 10:46:15,526 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 34 states, 25 states have (on average 1.28) internal successors, (32), 29 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 9 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2023-11-26 10:46:15,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:15,939 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-11-26 10:46:15,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2023-11-26 10:46:15,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:15,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2023-11-26 10:46:15,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-26 10:46:15,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-26 10:46:15,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2023-11-26 10:46:15,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:15,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-26 10:46:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2023-11-26 10:46:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-26 10:46:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 6 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:46:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-26 10:46:15,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-26 10:46:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:46:15,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-26 10:46:15,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:46:15,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2023-11-26 10:46:15,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:15,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:15,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:15,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:15,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:15,959 INFO L748 eck$LassoCheckResult]: Stem: 715#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 710#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 706#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 707#$Ultimate##0 [2023-11-26 10:46:15,960 INFO L750 eck$LassoCheckResult]: Loop: 707#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 712#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 703#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 702#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 702#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 702#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 702#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 702#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 711#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 708#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 709#L25-1 assume true; 713#func_to_recursive_line_21_to_21_0EXIT >#50#return; 701#L25-1 assume true; 704#func_to_recursive_line_21_to_21_0EXIT >#50#return; 723#L25-1 assume true; 722#func_to_recursive_line_21_to_21_0EXIT >#50#return; 721#L25-1 assume true; 720#func_to_recursive_line_21_to_21_0EXIT >#50#return; 719#L25-1 assume true; 718#func_to_recursive_line_21_to_21_0EXIT >#50#return; 717#L25-1 assume true; 716#func_to_recursive_line_21_to_21_0EXIT >#44#return; 714#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 705#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 707#$Ultimate##0 [2023-11-26 10:46:15,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 5 times [2023-11-26 10:46:15,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:15,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777339283] [2023-11-26 10:46:15,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:15,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:15,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:15,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash 892489151, now seen corresponding path program 4 times [2023-11-26 10:46:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:15,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508746822] [2023-11-26 10:46:15,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:46:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-26 10:46:18,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:18,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508746822] [2023-11-26 10:46:18,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508746822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:18,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081336752] [2023-11-26 10:46:18,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 10:46:18,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:18,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,183 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:46:18,319 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 10:46:18,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:18,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-26 10:46:18,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:18,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:46:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-26 10:46:18,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:21,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081336752] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:21,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:21,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 26] total 39 [2023-11-26 10:46:21,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462267619] [2023-11-26 10:46:21,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:21,146 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:46:21,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:21,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-26 10:46:21,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1171, Unknown=0, NotChecked=0, Total=1482 [2023-11-26 10:46:21,148 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 4 Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 9 states have call successors, (10), 8 states have call predecessors, (10), 12 states have return successors, (17), 11 states have call predecessors, (17), 8 states have call successors, (17) [2023-11-26 10:46:21,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:21,503 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2023-11-26 10:46:21,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2023-11-26 10:46:21,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:21,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 27 transitions. [2023-11-26 10:46:21,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-26 10:46:21,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-26 10:46:21,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2023-11-26 10:46:21,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:21,506 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-26 10:46:21,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2023-11-26 10:46:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-26 10:46:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 7 states have return successors, (8), 7 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:46:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-11-26 10:46:21,510 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-26 10:46:21,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:46:21,511 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-26 10:46:21,511 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:46:21,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 27 transitions. [2023-11-26 10:46:21,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 10:46:21,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:21,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:21,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:46:21,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:21,514 INFO L748 eck$LassoCheckResult]: Stem: 1108#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1099#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1100#$Ultimate##0 [2023-11-26 10:46:21,514 INFO L750 eck$LassoCheckResult]: Loop: 1100#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 1104#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 1096#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1095#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1105#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1101#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1102#L25-1 assume true; 1106#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1094#L25-1 assume true; 1097#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1118#L25-1 assume true; 1117#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1116#L25-1 assume true; 1115#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1114#L25-1 assume true; 1113#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1112#L25-1 assume true; 1111#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1110#L25-1 assume true; 1109#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1107#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1098#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1100#$Ultimate##0 [2023-11-26 10:46:21,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:21,514 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 6 times [2023-11-26 10:46:21,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709313830] [2023-11-26 10:46:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:21,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:21,530 INFO L85 PathProgramCache]: Analyzing trace with hash -288932697, now seen corresponding path program 5 times [2023-11-26 10:46:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:21,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967290971] [2023-11-26 10:46:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:21,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:21,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash -253400356, now seen corresponding path program 1 times [2023-11-26 10:46:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:21,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595724182] [2023-11-26 10:46:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:21,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:24,642 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:24,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:24,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:24,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:24,643 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:24,643 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:24,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:24,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:24,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration6_Lasso [2023-11-26 10:46:24,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:24,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:24,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:24,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:25,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:25,653 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:25,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:25,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,678 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 [2023-11-26 10:46:25,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:46:25,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:25,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:25,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:25,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:25,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:25,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:25,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:25,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:25,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,729 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 [2023-11-26 10:46:25,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:25,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:25,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:25,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:25,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:46:25,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:25,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:25,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:25,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,792 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 [2023-11-26 10:46:25,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:25,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:25,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:25,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:25,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:46:25,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:25,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:25,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:25,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,840 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,849 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 [2023-11-26 10:46:25,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:46:25,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:25,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:25,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:25,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:25,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:25,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:25,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:25,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:25,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,896 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:25,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:46:25,901 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 [2023-11-26 10:46:25,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:25,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:25,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:25,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:25,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:25,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:25,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:25,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:25,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:25,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:25,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:46:26,005 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 [2023-11-26 10:46:26,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,034 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:46:26,038 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 [2023-11-26 10:46:26,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,081 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:46:26,096 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 [2023-11-26 10:46:26,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,115 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,120 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 [2023-11-26 10:46:26,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:46:26,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,153 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,162 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 [2023-11-26 10:46:26,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:46:26,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,217 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 [2023-11-26 10:46:26,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:46:26,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,260 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,268 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 [2023-11-26 10:46:26,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:46:26,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,295 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:46:26,299 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 [2023-11-26 10:46:26,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:26,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:26,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:26,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,337 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:46:26,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:26,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:26,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:26,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,394 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:46:26,407 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 [2023-11-26 10:46:26,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:26,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:26,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,447 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:46:26,451 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 [2023-11-26 10:46:26,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:26,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:26,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,494 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:46:26,500 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 [2023-11-26 10:46:26,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:26,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:26,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:26,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,536 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:46:26,539 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 [2023-11-26 10:46:26,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:26,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:26,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:26,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:26,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:26,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:26,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:26,592 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:46:26,593 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-26 10:46:26,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:26,619 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:26,629 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:26,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:46:26,652 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:26,652 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:26,652 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1) = -2*v_rep(select (select #memory_int#0 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1 + 11 Supporting invariants [] [2023-11-26 10:46:26,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:26,731 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-26 10:46:26,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[#in~a!base][#in~a!offset] could not be translated [2023-11-26 10:46:26,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:26,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:26,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:26,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 10:46:26,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:27,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-26 10:46:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-26 10:46:27,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-26 10:46:27,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:27,435 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 89 states and 97 transitions. Complement of second has 19 states. [2023-11-26 10:46:27,437 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 [2023-11-26 10:46:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2023-11-26 10:46:27,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 39 letters. [2023-11-26 10:46:27,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:27,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 42 letters. Loop has 39 letters. [2023-11-26 10:46:27,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:27,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 78 letters. [2023-11-26 10:46:27,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:27,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 97 transitions. [2023-11-26 10:46:27,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:46:27,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 45 states and 51 transitions. [2023-11-26 10:46:27,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-26 10:46:27,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 10:46:27,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 51 transitions. [2023-11-26 10:46:27,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:27,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 51 transitions. [2023-11-26 10:46:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 51 transitions. [2023-11-26 10:46:27,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2023-11-26 10:46:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 10:46:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-11-26 10:46:27,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-11-26 10:46:27,479 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-11-26 10:46:27,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:46:27,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 38 transitions. [2023-11-26 10:46:27,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:46:27,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:27,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:27,483 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:46:27,483 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:46:27,484 INFO L748 eck$LassoCheckResult]: Stem: 1441#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1426#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1442#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 1433#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 1429#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1436#$Ultimate##0 [2023-11-26 10:46:27,484 INFO L750 eck$LassoCheckResult]: Loop: 1436#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1428#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1430#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1436#$Ultimate##0 [2023-11-26 10:46:27,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1215830428, now seen corresponding path program 1 times [2023-11-26 10:46:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:27,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052773992] [2023-11-26 10:46:27,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:27,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:27,526 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 1 times [2023-11-26 10:46:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296168120] [2023-11-26 10:46:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:27,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:27,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1345107250, now seen corresponding path program 1 times [2023-11-26 10:46:27,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:27,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355511145] [2023-11-26 10:46:27,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:27,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:27,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:28,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,961 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:28,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:28,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:28,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:28,961 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:28,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:28,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:28,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration7_Lasso [2023-11-26 10:46:28,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:28,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:28,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:28,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:29,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:29,670 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:29,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,671 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:46:29,714 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 [2023-11-26 10:46:29,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:29,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:29,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:29,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:29,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,766 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,769 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 [2023-11-26 10:46:29,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:29,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:29,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:29,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:46:29,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:29,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,789 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:46:29,792 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 [2023-11-26 10:46:29,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:29,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:29,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:29,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-26 10:46:29,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,810 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,813 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 [2023-11-26 10:46:29,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:29,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:29,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:29,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:46:29,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 10:46:29,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,838 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:46:29,841 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 [2023-11-26 10:46:29,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:29,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-26 10:46:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,864 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:46:29,868 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 [2023-11-26 10:46:29,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:29,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-26 10:46:29,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,888 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:46:29,890 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 [2023-11-26 10:46:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:29,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-26 10:46:29,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,910 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:46:29,913 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 [2023-11-26 10:46:29,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:29,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-26 10:46:29,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,935 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:46:29,938 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 [2023-11-26 10:46:29,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:29,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:29,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:29,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,972 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:46:29,977 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 [2023-11-26 10:46:29,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:29,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:29,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:29,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:29,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:29,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:30,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:30,060 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-26 10:46:30,060 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-26 10:46:30,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:30,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:30,061 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:46:30,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:30,075 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:30,075 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:30,075 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_1) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_1 + 11 Supporting invariants [] [2023-11-26 10:46:30,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:30,106 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 10:46:30,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[#in~b!base][#in~b!offset] could not be translated [2023-11-26 10:46:30,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:30,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:46:30,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:30,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:46:30,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:30,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-26 10:46:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:30,238 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 10:46:30,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:30,311 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 74 transitions. Complement of second has 15 states. [2023-11-26 10:46:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:46:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-26 10:46:30,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-26 10:46:30,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:30,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-26 10:46:30,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:30,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-26 10:46:30,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:30,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 74 transitions. [2023-11-26 10:46:30,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:46:30,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 45 states and 56 transitions. [2023-11-26 10:46:30,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:46:30,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:46:30,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2023-11-26 10:46:30,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:30,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-26 10:46:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2023-11-26 10:46:30,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-26 10:46:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2023-11-26 10:46:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2023-11-26 10:46:30,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-26 10:46:30,325 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-26 10:46:30,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:46:30,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2023-11-26 10:46:30,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:46:30,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:30,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:30,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:30,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:46:30,329 INFO L748 eck$LassoCheckResult]: Stem: 1624#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#1(48, 1, 0, 1);call write~init~int#1(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1614#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#0(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#0(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1608#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1625#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 1626#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 1628#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1645#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1644#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1604#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1613#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1605#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1613#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1605#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1613#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1605#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1613#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1605#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1613#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1605#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1622#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1641#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1603#L25-1 assume true; 1606#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1621#L25-1 assume true; 1640#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1639#L25-1 assume true; 1638#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1637#L25-1 assume true; 1636#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1635#L25-1 assume true; 1634#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1633#L25-1 assume true; 1630#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1629#L25-1 assume true; 1627#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1623#L47-1 call #t~mem8 := read~int#0(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#0(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1607#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1609#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#0(~a.base, ~a.offset, 4); 1619#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#2(0, ~b.base, ~b.offset, 4); 1612#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1615#$Ultimate##0 [2023-11-26 10:46:30,329 INFO L750 eck$LassoCheckResult]: Loop: 1615#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#2(~b.base, ~b.offset, 4); 1610#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#2(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#2(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1611#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1615#$Ultimate##0 [2023-11-26 10:46:30,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1502500908, now seen corresponding path program 2 times [2023-11-26 10:46:30,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743178106] [2023-11-26 10:46:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,386 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 2 times [2023-11-26 10:46:30,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062502146] [2023-11-26 10:46:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1144574814, now seen corresponding path program 3 times [2023-11-26 10:46:30,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237385615] [2023-11-26 10:46:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:34,095 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:34,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:34,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:34,095 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:34,095 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:34,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:34,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:34,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration8_Lasso [2023-11-26 10:46:34,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:34,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:34,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:34,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:34,855 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:34,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,856 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:46:34,860 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 [2023-11-26 10:46:34,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 10:46:34,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,877 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:46:34,880 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 [2023-11-26 10:46:34,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-26 10:46:34,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,897 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:46:34,899 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 [2023-11-26 10:46:34,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:34,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,916 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:46:34,918 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 [2023-11-26 10:46:34,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-26 10:46:34,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,934 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 10:46:34,938 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 [2023-11-26 10:46:34,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:34,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,958 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,966 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 [2023-11-26 10:46:34,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 10:46:34,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:34,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:34,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:34,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:34,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:34,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:34,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:34,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:34,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-26 10:46:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:34,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:34,983 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:34,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 10:46:34,987 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 [2023-11-26 10:46:35,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,029 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,035 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 [2023-11-26 10:46:35,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 10:46:35,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,076 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,081 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 [2023-11-26 10:46:35,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 10:46:35,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,100 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 10:46:35,103 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 [2023-11-26 10:46:35,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,120 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 10:46:35,124 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 [2023-11-26 10:46:35,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-26 10:46:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,140 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 10:46:35,143 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 [2023-11-26 10:46:35,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-26 10:46:35,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,160 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,163 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 [2023-11-26 10:46:35,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 10:46:35,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-26 10:46:35,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,179 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 10:46:35,182 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 [2023-11-26 10:46:35,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-26 10:46:35,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,198 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 10:46:35,200 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 [2023-11-26 10:46:35,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:35,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:35,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:35,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-26 10:46:35,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,216 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 10:46:35,218 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 [2023-11-26 10:46:35,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,261 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,267 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 [2023-11-26 10:46:35,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 10:46:35,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,295 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 10:46:35,297 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 [2023-11-26 10:46:35,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,320 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 10:46:35,323 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 [2023-11-26 10:46:35,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,347 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 10:46:35,349 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 [2023-11-26 10:46:35,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-26 10:46:35,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,372 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 10:46:35,375 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 [2023-11-26 10:46:35,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-26 10:46:35,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,397 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 10:46:35,400 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 [2023-11-26 10:46:35,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-26 10:46:35,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,421 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 10:46:35,423 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 [2023-11-26 10:46:35,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:35,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-26 10:46:35,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,444 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 10:46:35,447 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 [2023-11-26 10:46:35,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:35,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:35,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:35,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:35,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:35,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:35,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:35,522 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:46:35,522 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 10:46:35,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:35,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:35,527 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:35,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:35,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 10:46:35,556 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:35,557 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:35,557 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2 + 11 Supporting invariants [] [2023-11-26 10:46:35,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:35,585 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 10:46:35,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[#in~b!base][0] could not be translated [2023-11-26 10:46:35,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:35,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 10:46:35,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:36,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:36,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 10:46:36,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:36,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-26 10:46:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:36,360 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-26 10:46:36,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:36,574 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 17 states. [2023-11-26 10:46:36,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:46:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-26 10:46:36,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-26 10:46:36,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:36,577 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:46:36,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:36,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 10:46:36,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:37,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 10:46:37,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:37,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-26 10:46:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:37,333 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-26 10:46:37,333 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:37,557 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 17 states. [2023-11-26 10:46:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:46:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-26 10:46:37,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-26 10:46:37,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:37,560 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:46:37,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:37,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 10:46:37,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:38,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 10:46:38,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:38,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-26 10:46:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:38,368 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-26 10:46:38,369 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:38,675 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 67 states and 78 transitions. Complement of second has 20 states. [2023-11-26 10:46:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:46:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:46:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2023-11-26 10:46:38,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-26 10:46:38,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 48 letters. Loop has 3 letters. [2023-11-26 10:46:38,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 6 letters. [2023-11-26 10:46:38,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 78 transitions. [2023-11-26 10:46:38,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:46:38,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2023-11-26 10:46:38,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:46:38,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:46:38,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:46:38,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:38,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:46:38,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:46:38,689 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:46:38,689 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 10:46:38,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:46:38,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:46:38,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:46:38,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:46:38 BoogieIcfgContainer [2023-11-26 10:46:38,699 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:46:38,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:38,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:38,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:38,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:07" (3/4) ... [2023-11-26 10:46:38,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:46:38,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:38,709 INFO L158 Benchmark]: Toolchain (without parser) took 32105.77ms. Allocated memory was 174.1MB in the beginning and 446.7MB in the end (delta: 272.6MB). Free memory was 132.4MB in the beginning and 388.3MB in the end (delta: -255.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:38,709 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:38,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.56ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 121.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:46:38,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.92ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 120.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:38,711 INFO L158 Benchmark]: Boogie Preprocessor took 45.74ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 118.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:38,711 INFO L158 Benchmark]: RCFGBuilder took 456.17ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 106.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:46:38,711 INFO L158 Benchmark]: BuchiAutomizer took 31306.29ms. Allocated memory was 174.1MB in the beginning and 446.7MB in the end (delta: 272.6MB). Free memory was 106.4MB in the beginning and 389.4MB in the end (delta: -283.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:38,712 INFO L158 Benchmark]: Witness Printer took 8.11ms. Allocated memory is still 446.7MB. Free memory was 389.4MB in the beginning and 388.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:38,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.56ms. Allocated memory is still 174.1MB. Free memory was 132.0MB in the beginning and 121.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.92ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 120.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.74ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 118.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.17ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 106.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 31306.29ms. Allocated memory was 174.1MB in the beginning and 446.7MB in the end (delta: 272.6MB). Free memory was 106.4MB in the beginning and 389.4MB in the end (delta: -283.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.11ms. Allocated memory is still 446.7MB. Free memory was 389.4MB in the beginning and 388.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[#in~a!base][#in~a!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[#in~b!base][#in~b!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[#in~b!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 9 locations. 5 modules have a trivial ranking function, the largest among these consists of 39 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.2s and 9 iterations. TraceHistogramMax:7. Analysis of lassos took 25.5s. Construction of modules took 0.8s. Büchi inclusion checks took 4.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 99/99 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 200 mSDsluCounter, 545 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 725 IncrementalHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 115 mSDtfsCounter, 725 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI5 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax100 hnf100 lsp93 ukn72 mio100 lsp26 div100 bol100 ite100 ukn100 eq216 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:46:38,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 10:46:39,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:39,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:46:39,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd0b199-1f3d-4d12-8d23-7193019d38ce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE