./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/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_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/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_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/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 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:36,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:36,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:51:36,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:36,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:36,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:36,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:36,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:36,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:36,890 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:36,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:36,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:36,892 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:36,894 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:51:36,894 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:51:36,895 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:51:36,895 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:51:36,895 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:51:36,896 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:51:36,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:36,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:51:36,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:51:36,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:36,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:51:36,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:36,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:51:36,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:51:36,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:51:36,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:51:36,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:51:36,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:36,902 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:51:36,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:36,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:36,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:36,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:36,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:36,904 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:51:36,904 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_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea [2023-11-26 11:51:37,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:37,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:37,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:37,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:37,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:37,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/reducercommutativity/avg05-1.i [2023-11-26 11:51:40,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:40,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:40,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/sv-benchmarks/c/reducercommutativity/avg05-1.i [2023-11-26 11:51:40,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/data/ce43b0592/58b9e142fbc3436f8e35ae8fe4718e9c/FLAG0aaa72921 [2023-11-26 11:51:40,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/data/ce43b0592/58b9e142fbc3436f8e35ae8fe4718e9c [2023-11-26 11:51:40,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:40,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:40,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:40,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:40,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:40,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619f23ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40, skipping insertion in model container [2023-11-26 11:51:40,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:40,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:40,801 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:40,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:40,837 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:40,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40 WrapperNode [2023-11-26 11:51:40,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:40,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:40,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:40,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:40,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,912 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-11-26 11:51:40,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:40,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:40,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:40,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:40,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,938 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,962 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2023-11-26 11:51:40,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:40,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:40,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:40,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:40,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:41,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:51:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:51:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:51:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:51:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:51:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:51:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:51:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:51:41,215 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:41,218 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:41,515 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:41,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:41,534 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 11:51:41,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:41 BoogieIcfgContainer [2023-11-26 11:51:41,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:41,538 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:51:41,538 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:51:41,542 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:51:41,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:41,543 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:51:40" (1/3) ... [2023-11-26 11:51:41,545 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@282f78ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:41, skipping insertion in model container [2023-11-26 11:51:41,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:41,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (2/3) ... [2023-11-26 11:51:41,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@282f78ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:41, skipping insertion in model container [2023-11-26 11:51:41,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:41,549 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:41" (3/3) ... [2023-11-26 11:51:41,550 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg05-1.i [2023-11-26 11:51:41,608 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:51:41,608 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:51:41,608 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:51:41,608 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:51:41,609 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:51:41,609 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:51:41,609 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:51:41,609 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:51:41,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:41,629 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-26 11:51:41,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:41,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:41,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:51:41,634 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:41,634 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:51:41,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:41,642 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-26 11:51:41,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:41,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:41,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:51:41,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:41,650 INFO L748 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2023-11-26 11:51:41,651 INFO L750 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 11#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L34-3true [2023-11-26 11:51:41,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:51:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114219858] [2023-11-26 11:51:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:41,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:41,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-26 11:51:41,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:41,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111854884] [2023-11-26 11:51:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:41,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:41,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-26 11:51:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185219936] [2023-11-26 11:51:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:42,162 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:51:42,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:51:42,163 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:51:42,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:51:42,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:51:42,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:42,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:51:42,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:51:42,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg05-1.i_Iteration1_Lasso [2023-11-26 11:51:42,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:51:42,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:51:42,184 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 11:51:42,193 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 11:51:42,196 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 11:51:42,199 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 11:51:42,217 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 11:51:42,221 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 11:51:42,224 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 11:51:42,227 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 11:51:42,230 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 11:51:42,233 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 11:51:42,236 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 11:51:42,239 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 11:51:42,242 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 11:51:42,245 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 11:51:42,247 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 11:51:42,250 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 11:51:42,253 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 11:51:42,496 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 11:51:42,788 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:51:42,792 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:51:42,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:42,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:42,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:42,805 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 11:51:42,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:51:42,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:42,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:42,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:42,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:42,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:42,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:42,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:42,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:42,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:42,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:42,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:42,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:42,849 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 11:51:42,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:42,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:42,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:42,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:42,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:42,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:42,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:42,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:51:42,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:42,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:42,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:42,887 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 11:51:42,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:42,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:42,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:42,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:42,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:42,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:42,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:42,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:51:42,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:42,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-26 11:51:42,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:42,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:42,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:51:42,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:51:42,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:42,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:42,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:42,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:42,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:42,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:42,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:42,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,006 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 11:51:43,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:51:43,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:43,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:43,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:51:43,047 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 11:51:43,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:51:43,087 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 11:51:43,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,135 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 11:51:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:51:43,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:51:43,179 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 11:51:43,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:51:43,224 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 11:51:43,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,260 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,272 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 11:51:43,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:51:43,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,317 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,328 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 11:51:43,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:51:43,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,363 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:51:43,372 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 11:51:43,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:51:43,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:51:43,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,455 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:51:43,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:51:43,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:51:43,512 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 11:51:43,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-26 11:51:43,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,546 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,553 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 11:51:43,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:43,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:51:43,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:43,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:43,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,604 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:51:43,609 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 11:51:43,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:43,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:43,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,651 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,669 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 11:51:43,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:43,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:43,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:51:43,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,720 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:51:43,732 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 11:51:43,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:43,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:43,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:43,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,770 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:51:43,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:43,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:43,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:43,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:43,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:51:43,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:43,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:43,810 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:51:43,846 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 11:51:43,847 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-26 11:51:43,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:43,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:43,894 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:43,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:51:43,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:51:43,924 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:51:43,924 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:51:43,925 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-26 11:51:43,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:43,956 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 11:51:43,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-26 11:51:43,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:51:44,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:51:44,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:44,066 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 11:51:44,098 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:51:44,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 77 transitions. Complement of second has 8 states. [2023-11-26 11:51:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:51:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-26 11:51:44,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:51:44,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:44,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:51:44,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:44,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 11:51:44,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:44,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 77 transitions. [2023-11-26 11:51:44,174 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 19 states and 27 transitions. [2023-11-26 11:51:44,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 11:51:44,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:51:44,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2023-11-26 11:51:44,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:44,180 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-26 11:51:44,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:44,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2023-11-26 11:51:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-26 11:51:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2023-11-26 11:51:44,228 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-26 11:51:44,228 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-26 11:51:44,228 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:51:44,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2023-11-26 11:51:44,231 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:44,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:44,232 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:51:44,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:44,233 INFO L748 eck$LassoCheckResult]: Stem: 153#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 146#L34-3 assume !(main_~i~1#1 < 5); 137#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 138#L20-3 [2023-11-26 11:51:44,233 INFO L750 eck$LassoCheckResult]: Loop: 138#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 152#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 138#L20-3 [2023-11-26 11:51:44,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,234 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-26 11:51:44,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895046606] [2023-11-26 11:51:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,365 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 11:51:44,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:44,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895046606] [2023-11-26 11:51:44,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895046606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:44,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:44,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:51:44,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126965450] [2023-11-26 11:51:44,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:44,369 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:44,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2023-11-26 11:51:44,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166861990] [2023-11-26 11:51:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:44,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:44,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:44,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:44,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:44,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:44,468 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:44,485 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-26 11:51:44,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-26 11:51:44,487 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2023-11-26 11:51:44,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 11:51:44,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:51:44,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2023-11-26 11:51:44,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:44,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-26 11:51:44,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2023-11-26 11:51:44,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-26 11:51:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-11-26 11:51:44,492 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-26 11:51:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:44,493 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-26 11:51:44,494 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:51:44,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2023-11-26 11:51:44,494 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:44,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:44,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:51:44,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:44,495 INFO L748 eck$LassoCheckResult]: Stem: 198#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 191#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 194#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 195#L34-3 assume !(main_~i~1#1 < 5); 182#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 183#L20-3 [2023-11-26 11:51:44,496 INFO L750 eck$LassoCheckResult]: Loop: 183#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 197#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 183#L20-3 [2023-11-26 11:51:44,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-26 11:51:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566800304] [2023-11-26 11:51:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:44,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566800304] [2023-11-26 11:51:44,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566800304] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:51:44,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605431547] [2023-11-26 11:51:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:44,559 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:44,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-26 11:51:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:51:44,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:51:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605431547] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:51:44,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:51:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-26 11:51:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008497069] [2023-11-26 11:51:44,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:51:44,651 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:44,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2023-11-26 11:51:44,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871148165] [2023-11-26 11:51:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:44,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:44,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:44,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:44,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:51:44,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:51:44,716 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:44,746 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-26 11:51:44,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2023-11-26 11:51:44,752 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2023-11-26 11:51:44,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 11:51:44,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:51:44,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2023-11-26 11:51:44,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:44,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-26 11:51:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2023-11-26 11:51:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-26 11:51:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-26 11:51:44,759 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-26 11:51:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:44,761 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-26 11:51:44,762 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:51:44,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2023-11-26 11:51:44,763 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:44,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:44,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:44,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-26 11:51:44,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:44,764 INFO L748 eck$LassoCheckResult]: Stem: 282#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 275#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 278#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 279#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 283#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 288#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 287#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 286#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 285#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 284#L34-3 assume !(main_~i~1#1 < 5); 266#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 267#L20-3 [2023-11-26 11:51:44,764 INFO L750 eck$LassoCheckResult]: Loop: 267#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 281#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 267#L20-3 [2023-11-26 11:51:44,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,765 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-26 11:51:44,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263269411] [2023-11-26 11:51:44,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:44,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263269411] [2023-11-26 11:51:44,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263269411] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:51:44,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693403233] [2023-11-26 11:51:44,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:51:44,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:44,964 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:44,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-26 11:51:45,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:51:45,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:51:45,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:51:45,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:45,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:51:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:45,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693403233] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:51:45,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:51:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-26 11:51:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514031298] [2023-11-26 11:51:45,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:51:45,112 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:45,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2023-11-26 11:51:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011694812] [2023-11-26 11:51:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:45,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:45,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:51:45,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:51:45,174 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:45,232 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-26 11:51:45,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2023-11-26 11:51:45,236 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:45,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 31 transitions. [2023-11-26 11:51:45,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 11:51:45,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:51:45,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2023-11-26 11:51:45,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:45,239 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-26 11:51:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2023-11-26 11:51:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-26 11:51:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-26 11:51:45,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-26 11:51:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:51:45,245 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-26 11:51:45,245 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:51:45,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2023-11-26 11:51:45,248 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 11:51:45,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:45,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:45,249 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2023-11-26 11:51:45,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:45,249 INFO L748 eck$LassoCheckResult]: Stem: 411#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 404#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 412#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 413#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 407#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 408#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 419#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 418#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 417#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 416#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 415#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 414#L34-3 assume !(main_~i~1#1 < 5); 395#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 396#L20-3 [2023-11-26 11:51:45,249 INFO L750 eck$LassoCheckResult]: Loop: 396#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 410#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 396#L20-3 [2023-11-26 11:51:45,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2023-11-26 11:51:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127607632] [2023-11-26 11:51:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:45,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2023-11-26 11:51:45,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084343892] [2023-11-26 11:51:45,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:45,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2023-11-26 11:51:45,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954532313] [2023-11-26 11:51:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:45,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:46,464 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:51:46,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:51:46,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:51:46,465 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:51:46,465 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:51:46,465 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:46,465 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:51:46,465 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:51:46,465 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg05-1.i_Iteration5_Lasso [2023-11-26 11:51:46,465 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:51:46,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:51:46,473 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 11:51:46,476 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 11:51:46,479 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 11:51:46,481 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 11:51:46,484 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 11:51:46,486 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 11:51:46,489 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 11:51:46,492 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 11:51:46,494 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 11:51:46,497 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 11:51:46,499 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 11:51:46,502 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 11:51:46,506 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 11:51:46,870 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 11:51:46,873 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 11:51:46,877 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 11:51:46,889 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 11:51:46,892 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 11:51:46,895 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 11:51:46,898 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 11:51:46,901 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 11:51:46,904 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 11:51:46,906 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 11:51:46,909 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 11:51:47,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:51:47,244 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:51:47,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,248 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,250 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 11:51:47,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:51:47,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 11:51:47,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,283 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:51:47,291 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 11:51:47,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,312 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:51:47,314 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 11:51:47,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 11:51:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,336 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:51:47,339 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 11:51:47,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,367 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,375 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 11:51:47,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:51:47,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,416 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:51:47,420 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 11:51:47,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,454 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:51:47,458 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 11:51:47,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-26 11:51:47,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,497 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:51:47,500 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 11:51:47,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,516 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:51:47,519 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 11:51:47,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-26 11:51:47,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,537 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:51:47,539 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 11:51:47,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,568 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,574 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 11:51:47,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:51:47,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:51:47,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:51:47,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:51:47,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,620 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,625 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 11:51:47,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:51:47,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,667 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,671 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 11:51:47,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:51:47,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,720 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:51:47,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:51:47,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,776 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,781 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 11:51:47,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 11:51:47,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,824 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,831 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 11:51:47,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 11:51:47,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,876 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,880 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 11:51:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 11:51:47,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:51:47,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:47,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,924 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:47,927 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 11:51:47,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:51:47,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:51:47,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:51:47,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:51:47,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:51:47,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:51:47,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:51:47,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:51:47,991 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 11:51:47,991 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-26 11:51:47,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:47,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:47,998 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:48,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:51:48,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:51:48,022 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:51:48,022 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:51:48,022 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 9 Supporting invariants [] [2023-11-26 11:51:48,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:48,056 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 11:51:48,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:51:48,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:51:48,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:48,142 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 11:51:48,142 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:51:48,142 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,164 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 7 states. [2023-11-26 11:51:48,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:51:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-26 11:51:48,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-26 11:51:48,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:48,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 16 letters. Loop has 2 letters. [2023-11-26 11:51:48,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:48,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-26 11:51:48,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:51:48,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-26 11:51:48,169 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 28 states and 33 transitions. [2023-11-26 11:51:48,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 11:51:48,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-26 11:51:48,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2023-11-26 11:51:48,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:48,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-26 11:51:48,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2023-11-26 11:51:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-26 11:51:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2023-11-26 11:51:48,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-26 11:51:48,176 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-26 11:51:48,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:51:48,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2023-11-26 11:51:48,177 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:48,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:48,180 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:48,180 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:48,180 INFO L748 eck$LassoCheckResult]: Stem: 573#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 565#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 574#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 575#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 568#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 569#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 581#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 580#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 579#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 578#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 577#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 576#L34-3 assume !(main_~i~1#1 < 5); 556#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 557#L20-3 assume !(avg_~i~0#1 < 5); 566#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 567#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 562#L20-8 [2023-11-26 11:51:48,181 INFO L750 eck$LassoCheckResult]: Loop: 562#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 563#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 562#L20-8 [2023-11-26 11:51:48,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581027, now seen corresponding path program 1 times [2023-11-26 11:51:48,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:48,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741034321] [2023-11-26 11:51:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:51:48,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:48,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741034321] [2023-11-26 11:51:48,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741034321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:48,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:48,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:51:48,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308929886] [2023-11-26 11:51:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:48,275 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:48,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2023-11-26 11:51:48,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:48,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551222290] [2023-11-26 11:51:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:48,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:48,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:48,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:48,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:48,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:48,331 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:48,360 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-11-26 11:51:48,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2023-11-26 11:51:48,360 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 37 transitions. [2023-11-26 11:51:48,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-26 11:51:48,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-26 11:51:48,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2023-11-26 11:51:48,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:48,363 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-26 11:51:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2023-11-26 11:51:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2023-11-26 11:51:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-11-26 11:51:48,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-26 11:51:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:48,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-26 11:51:48,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:51:48,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2023-11-26 11:51:48,374 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:48,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:48,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:48,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:48,375 INFO L748 eck$LassoCheckResult]: Stem: 640#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 632#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 635#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 636#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 642#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 649#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 648#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 647#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 646#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 645#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 644#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 643#L34-3 assume !(main_~i~1#1 < 5); 623#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 624#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 638#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 639#L20-3 assume !(avg_~i~0#1 < 5); 633#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 634#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 629#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 630#L20-7 [2023-11-26 11:51:48,375 INFO L750 eck$LassoCheckResult]: Loop: 630#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 641#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 630#L20-7 [2023-11-26 11:51:48,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1577614809, now seen corresponding path program 1 times [2023-11-26 11:51:48,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:48,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159698366] [2023-11-26 11:51:48,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:51:48,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:48,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159698366] [2023-11-26 11:51:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159698366] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:51:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400008768] [2023-11-26 11:51:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:48,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:48,463 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-11-26 11:51:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:51:48,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:51:48,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:51:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:51:48,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400008768] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:51:48,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:51:48,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-26 11:51:48,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467295481] [2023-11-26 11:51:48,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:51:48,576 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:48,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2023-11-26 11:51:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:48,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567023500] [2023-11-26 11:51:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:48,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:48,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:48,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:48,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:51:48,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:51:48,631 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:48,711 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2023-11-26 11:51:48,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 52 transitions. [2023-11-26 11:51:48,712 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 52 transitions. [2023-11-26 11:51:48,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-26 11:51:48,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-26 11:51:48,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 52 transitions. [2023-11-26 11:51:48,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:48,714 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 52 transitions. [2023-11-26 11:51:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 52 transitions. [2023-11-26 11:51:48,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2023-11-26 11:51:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-11-26 11:51:48,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-26 11:51:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:48,718 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-26 11:51:48,718 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:51:48,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 45 transitions. [2023-11-26 11:51:48,719 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:48,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:48,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:48,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:48,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:48,721 INFO L748 eck$LassoCheckResult]: Stem: 842#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 832#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 833#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 836#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 837#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 844#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 856#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 854#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 852#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 850#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 849#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 848#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 847#L34-3 assume !(main_~i~1#1 < 5); 824#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 825#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 839#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 840#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 841#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 862#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 861#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 860#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 859#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 858#L20-3 assume !(avg_~i~0#1 < 5); 834#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 835#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 830#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 831#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 843#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 857#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 855#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 853#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 851#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 846#L20-7 [2023-11-26 11:51:48,721 INFO L750 eck$LassoCheckResult]: Loop: 846#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 845#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 846#L20-7 [2023-11-26 11:51:48,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1218450663, now seen corresponding path program 1 times [2023-11-26 11:51:48,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:48,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732672408] [2023-11-26 11:51:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-26 11:51:48,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:48,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732672408] [2023-11-26 11:51:48,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732672408] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:51:48,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200281675] [2023-11-26 11:51:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:48,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:48,852 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:48,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2023-11-26 11:51:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:51:48,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-26 11:51:48,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:51:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-26 11:51:49,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200281675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:51:49,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:51:49,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-26 11:51:49,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235740341] [2023-11-26 11:51:49,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:51:49,023 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:51:49,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2023-11-26 11:51:49,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:49,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811238251] [2023-11-26 11:51:49,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:49,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:49,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:49,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:51:49,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:51:49,077 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:49,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:49,159 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2023-11-26 11:51:49,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 58 transitions. [2023-11-26 11:51:49,160 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:49,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 58 transitions. [2023-11-26 11:51:49,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2023-11-26 11:51:49,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-26 11:51:49,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 58 transitions. [2023-11-26 11:51:49,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:49,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 58 transitions. [2023-11-26 11:51:49,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 58 transitions. [2023-11-26 11:51:49,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2023-11-26 11:51:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2023-11-26 11:51:49,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-26 11:51:49,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:51:49,177 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-26 11:51:49,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:51:49,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 49 transitions. [2023-11-26 11:51:49,178 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 11:51:49,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:49,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:49,180 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:49,180 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:49,181 INFO L748 eck$LassoCheckResult]: Stem: 1134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1125#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1128#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1129#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1136#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1148#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1146#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1144#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1142#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1141#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1140#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1139#L34-3 assume !(main_~i~1#1 < 5); 1116#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1117#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1131#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1132#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1133#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1158#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1157#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1156#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1155#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1154#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1153#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1152#L20-3 assume !(avg_~i~0#1 < 5); 1126#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1127#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1122#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1123#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1135#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1151#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1150#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1149#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1147#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1145#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1143#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1138#L20-7 [2023-11-26 11:51:49,182 INFO L750 eck$LassoCheckResult]: Loop: 1138#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1137#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1138#L20-7 [2023-11-26 11:51:49,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:49,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2144167641, now seen corresponding path program 2 times [2023-11-26 11:51:49,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:49,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804294315] [2023-11-26 11:51:49,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:49,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:49,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:49,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2023-11-26 11:51:49,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:49,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014167740] [2023-11-26 11:51:49,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:49,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:49,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:49,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1039200421, now seen corresponding path program 3 times [2023-11-26 11:51:49,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309628639] [2023-11-26 11:51:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 11:51:49,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:49,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309628639] [2023-11-26 11:51:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309628639] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:51:49,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319525195] [2023-11-26 11:51:49,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:51:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:49,458 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebaabb9-2bd7-4579-a7e5-ed84c2ac6841/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2023-11-26 11:51:49,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-26 11:51:49,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:51:49,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:51:49,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 11:51:49,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:51:49,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319525195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:49,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:51:49,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-11-26 11:51:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848135757] [2023-11-26 11:51:49,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:49,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:51:49,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:51:49,670 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:49,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:49,808 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2023-11-26 11:51:49,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 55 transitions. [2023-11-26 11:51:49,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:51:49,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 43 transitions. [2023-11-26 11:51:49,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2023-11-26 11:51:49,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-26 11:51:49,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 43 transitions. [2023-11-26 11:51:49,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:49,810 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-26 11:51:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 43 transitions. [2023-11-26 11:51:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-26 11:51:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 41 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2023-11-26 11:51:49,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-26 11:51:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:51:49,814 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-11-26 11:51:49,814 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:51:49,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 43 transitions. [2023-11-26 11:51:49,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:51:49,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:49,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:49,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:49,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:51:49,824 INFO L748 eck$LassoCheckResult]: Stem: 1355#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1347#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1350#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1351#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1357#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1372#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1370#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1368#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1366#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1364#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1360#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1359#L34-3 assume !(main_~i~1#1 < 5); 1340#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1341#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1354#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1352#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1353#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1379#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1378#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1377#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1376#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1375#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1374#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1373#L20-3 assume !(avg_~i~0#1 < 5); 1348#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1349#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1344#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1345#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1356#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1371#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1369#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1367#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1365#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1363#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1362#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1361#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1358#L20-8 assume !(avg_~i~0#1 < 5); 1338#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1339#avg_returnLabel#2 main_#t~ret8#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1343#L43-3 [2023-11-26 11:51:49,824 INFO L750 eck$LassoCheckResult]: Loop: 1343#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 1342#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1343#L43-3 [2023-11-26 11:51:49,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2055775835, now seen corresponding path program 1 times [2023-11-26 11:51:49,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:49,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568339653] [2023-11-26 11:51:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:49,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:49,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:50,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:50,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2023-11-26 11:51:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975138039] [2023-11-26 11:51:50,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:50,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:50,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:50,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:50,031 INFO L85 PathProgramCache]: Analyzing trace with hash 84380519, now seen corresponding path program 1 times [2023-11-26 11:51:50,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:50,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725809914] [2023-11-26 11:51:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:50,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:50,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:50,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:56,893 WARN L293 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 347 DAG size of output: 275 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)