./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:10:33,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:10:33,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:10:33,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:10:33,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:10:33,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:10:33,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:10:33,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:10:33,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:10:33,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:10:33,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:10:33,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:10:33,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:10:33,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:10:33,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:10:33,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:10:33,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:10:33,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:10:33,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:10:33,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:10:33,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:10:33,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:10:33,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:10:33,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:10:33,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:10:33,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:10:33,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:10:33,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:10:33,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:10:33,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:10:33,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:10:33,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:10:33,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:10:33,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:10:33,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:10:33,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:10:33,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:10:33,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:10:33,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:10:33,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:10:33,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:10:33,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:10:33,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:10:33,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:10:33,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:10:33,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:10:33,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:10:33,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:10:33,898 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:10:33,899 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:10:33,899 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:10:33,899 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:10:33,899 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:10:33,900 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:10:33,900 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:10:33,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:10:33,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:10:33,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:10:33,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:10:33,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:10:33,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:10:33,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:10:33,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:10:33,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:10:33,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:10:33,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:10:33,903 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:10:33,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:10:33,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:10:33,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:10:33,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:10:33,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:10:33,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:10:33,906 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:10:33,906 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 [2022-10-17 10:10:34,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:10:34,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:10:34,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:10:34,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:10:34,164 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:10:34,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2022-10-17 10:10:34,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/data/9aad9fa70/484023ff27ba4ef1afebef20b1c6067d/FLAG90f0648ac [2022-10-17 10:10:34,780 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:10:34,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2022-10-17 10:10:34,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/data/9aad9fa70/484023ff27ba4ef1afebef20b1c6067d/FLAG90f0648ac [2022-10-17 10:10:35,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/data/9aad9fa70/484023ff27ba4ef1afebef20b1c6067d [2022-10-17 10:10:35,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:10:35,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:10:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:35,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:10:35,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:10:35,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8fe910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35, skipping insertion in model container [2022-10-17 10:10:35,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:10:35,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:10:35,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c[5947,5960] [2022-10-17 10:10:35,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:35,470 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:10:35,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c[5947,5960] [2022-10-17 10:10:35,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:35,535 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:10:35,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35 WrapperNode [2022-10-17 10:10:35,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:35,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:35,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:10:35,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:10:35,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,595 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2022-10-17 10:10:35,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:35,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:10:35,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:10:35,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:10:35,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:10:35,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:10:35,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:10:35,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:10:35,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (1/1) ... [2022-10-17 10:10:35,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:35,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:35,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:35,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:10:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:10:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:10:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:10:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:10:35,818 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:10:35,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:10:36,226 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:10:36,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:10:36,234 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:10:36,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:36 BoogieIcfgContainer [2022-10-17 10:10:36,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:10:36,238 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:10:36,238 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:10:36,243 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:10:36,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:36,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:10:35" (1/3) ... [2022-10-17 10:10:36,245 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e950de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:36, skipping insertion in model container [2022-10-17 10:10:36,245 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:36,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:35" (2/3) ... [2022-10-17 10:10:36,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e950de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:36, skipping insertion in model container [2022-10-17 10:10:36,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:36,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:36" (3/3) ... [2022-10-17 10:10:36,248 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c [2022-10-17 10:10:36,329 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:10:36,330 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:10:36,330 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:10:36,330 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:10:36,330 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:10:36,330 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:10:36,331 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:10:36,331 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:10:36,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 61 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 60 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:36,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2022-10-17 10:10:36,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:36,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:36,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:36,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:36,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:10:36,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 61 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 60 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:36,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2022-10-17 10:10:36,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:36,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:36,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:36,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:36,396 INFO L748 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~post22#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~id1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~st1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~send1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~mode1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 43#L129true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 39#L129-1true init_#res#1 := init_~tmp~0#1; 24#L194true main_#t~ret20#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 59#L246true assume !(0 == main_~i2~0#1); 10#L246-2true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 23#L254-2true [2022-10-17 10:10:36,397 INFO L750 eck$LassoCheckResult]: Loop: 23#L254-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 3#L54true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 36#L58true assume !(node1_~m1~0#1 != ~nomsg~0); 8#L58-1true ~mode1~0 := 0; 9#L54-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 7#L80true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 18#L83true assume !(node2_~m2~0#1 != ~nomsg~0); 60#L83-1true ~mode2~0 := 0; 16#L80-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 14#L105true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 17#L108true assume !(node3_~m3~0#1 != ~nomsg~0); 11#L108-1true ~mode3~0 := 0; 38#L105-2true assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 15#L202true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 30#L202-1true check_#res#1 := check_~tmp~1#1; 13#L222true main_#t~ret21#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 61#L278true assume !(0 == assert_~arg#1 % 256); 55#L273true assume { :end_inline_assert } true;main_#t~post22#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post22#1;havoc main_#t~post22#1; 23#L254-2true [2022-10-17 10:10:36,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1892699938, now seen corresponding path program 1 times [2022-10-17 10:10:36,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:36,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886493695] [2022-10-17 10:10:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:36,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:36,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886493695] [2022-10-17 10:10:36,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886493695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:36,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:36,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:36,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305759440] [2022-10-17 10:10:36,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:36,709 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:10:36,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash 517894064, now seen corresponding path program 1 times [2022-10-17 10:10:36,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:36,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842095100] [2022-10-17 10:10:36,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:36,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:37,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:37,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842095100] [2022-10-17 10:10:37,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842095100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:37,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:37,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:37,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728504589] [2022-10-17 10:10:37,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:37,093 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:10:37,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:37,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:37,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:37,128 INFO L87 Difference]: Start difference. First operand has 61 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 60 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:37,211 INFO L93 Difference]: Finished difference Result 99 states and 154 transitions. [2022-10-17 10:10:37,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 154 transitions. [2022-10-17 10:10:37,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2022-10-17 10:10:37,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 90 states and 130 transitions. [2022-10-17 10:10:37,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-10-17 10:10:37,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-10-17 10:10:37,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 130 transitions. [2022-10-17 10:10:37,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:37,229 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 130 transitions. [2022-10-17 10:10:37,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 130 transitions. [2022-10-17 10:10:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 56. [2022-10-17 10:10:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 55 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2022-10-17 10:10:37,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 76 transitions. [2022-10-17 10:10:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:10:37,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 76 transitions. [2022-10-17 10:10:37,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:10:37,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 76 transitions. [2022-10-17 10:10:37,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2022-10-17 10:10:37,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:37,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:37,271 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,271 INFO L748 eck$LassoCheckResult]: Stem: 231#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~post22#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~id1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~st1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~send1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~mode1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 222#L129 assume 0 == ~r1~0; 228#L130 assume ~id1~0 >= 0; 226#L131 assume 0 == ~st1~0; 227#L132 assume ~send1~0 == ~id1~0; 223#L133 assume 0 == ~mode1~0 % 256; 224#L134 assume ~id2~0 >= 0; 220#L135 assume 0 == ~st2~0; 196#L136 assume ~send2~0 == ~id2~0; 197#L137 assume 0 == ~mode2~0 % 256; 233#L138 assume ~id3~0 >= 0; 213#L139 assume 0 == ~st3~0; 214#L140 assume ~send3~0 == ~id3~0; 229#L141 assume 0 == ~mode3~0 % 256; 217#L142 assume ~id1~0 != ~id2~0; 216#L143 assume ~id1~0 != ~id3~0; 186#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 187#L129-1 init_#res#1 := init_~tmp~0#1; 211#L194 main_#t~ret20#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 212#L246 assume !(0 == main_~i2~0#1); 192#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 193#L254-2 [2022-10-17 10:10:37,272 INFO L750 eck$LassoCheckResult]: Loop: 193#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 178#L54 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 179#L58 assume !(node1_~m1~0#1 != ~nomsg~0); 191#L58-1 ~mode1~0 := 0; 185#L54-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 188#L80 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 189#L83 assume !(node2_~m2~0#1 != ~nomsg~0); 207#L83-1 ~mode2~0 := 0; 205#L80-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 200#L105 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 201#L108 assume !(node3_~m3~0#1 != ~nomsg~0); 194#L108-1 ~mode3~0 := 0; 195#L105-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 203#L202 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 182#L202-1 check_#res#1 := check_~tmp~1#1; 198#L222 main_#t~ret21#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 199#L278 assume !(0 == assert_~arg#1 % 256); 232#L273 assume { :end_inline_assert } true;main_#t~post22#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post22#1;havoc main_#t~post22#1; 193#L254-2 [2022-10-17 10:10:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 1 times [2022-10-17 10:10:37,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459396152] [2022-10-17 10:10:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:37,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,360 INFO L85 PathProgramCache]: Analyzing trace with hash 517894064, now seen corresponding path program 2 times [2022-10-17 10:10:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265633642] [2022-10-17 10:10:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:37,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:37,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265633642] [2022-10-17 10:10:37,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265633642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:37,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:37,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:37,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465872126] [2022-10-17 10:10:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:37,593 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:10:37,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:37,594 INFO L87 Difference]: Start difference. First operand 56 states and 76 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:37,639 INFO L93 Difference]: Finished difference Result 59 states and 78 transitions. [2022-10-17 10:10:37,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 78 transitions. [2022-10-17 10:10:37,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2022-10-17 10:10:37,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 56 states and 73 transitions. [2022-10-17 10:10:37,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2022-10-17 10:10:37,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2022-10-17 10:10:37,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 73 transitions. [2022-10-17 10:10:37,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:37,644 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-10-17 10:10:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 73 transitions. [2022-10-17 10:10:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-10-17 10:10:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 55 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 73 transitions. [2022-10-17 10:10:37,649 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-10-17 10:10:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:10:37,651 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-10-17 10:10:37,651 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:10:37,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 73 transitions. [2022-10-17 10:10:37,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2022-10-17 10:10:37,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:37,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:37,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,654 INFO L748 eck$LassoCheckResult]: Stem: 358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 348#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~post22#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~id1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~st1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~send1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~mode1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 349#L129 assume 0 == ~r1~0; 355#L130 assume ~id1~0 >= 0; 353#L131 assume 0 == ~st1~0; 354#L132 assume ~send1~0 == ~id1~0; 350#L133 assume 0 == ~mode1~0 % 256; 351#L134 assume ~id2~0 >= 0; 347#L135 assume 0 == ~st2~0; 323#L136 assume ~send2~0 == ~id2~0; 324#L137 assume 0 == ~mode2~0 % 256; 360#L138 assume ~id3~0 >= 0; 340#L139 assume 0 == ~st3~0; 341#L140 assume ~send3~0 == ~id3~0; 356#L141 assume 0 == ~mode3~0 % 256; 344#L142 assume ~id1~0 != ~id2~0; 343#L143 assume ~id1~0 != ~id3~0; 311#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 312#L129-1 init_#res#1 := init_~tmp~0#1; 338#L194 main_#t~ret20#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 339#L246 assume !(0 == main_~i2~0#1); 319#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 320#L254-2 [2022-10-17 10:10:37,655 INFO L750 eck$LassoCheckResult]: Loop: 320#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 305#L54 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 306#L58 assume !(node1_~m1~0#1 != ~nomsg~0); 318#L58-1 ~mode1~0 := 0; 314#L54-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 315#L80 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 316#L83 assume !(node2_~m2~0#1 != ~nomsg~0); 334#L83-1 ~mode2~0 := 0; 332#L80-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 327#L105 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 328#L108 assume !(node3_~m3~0#1 != ~nomsg~0); 321#L108-1 ~mode3~0 := 0; 322#L105-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 330#L202 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 331#L203 assume ~r1~0 >= 3; 308#L207 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 309#L202-1 check_#res#1 := check_~tmp~1#1; 325#L222 main_#t~ret21#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 326#L278 assume !(0 == assert_~arg#1 % 256); 359#L273 assume { :end_inline_assert } true;main_#t~post22#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post22#1;havoc main_#t~post22#1; 320#L254-2 [2022-10-17 10:10:37,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 2 times [2022-10-17 10:10:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729142595] [2022-10-17 10:10:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:37,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1935834464, now seen corresponding path program 1 times [2022-10-17 10:10:37,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377944609] [2022-10-17 10:10:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:37,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:37,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377944609] [2022-10-17 10:10:37,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377944609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:37,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:37,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:10:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518124530] [2022-10-17 10:10:37,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:37,744 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:10:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:37,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:10:37,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:10:37,745 INFO L87 Difference]: Start difference. First operand 56 states and 73 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:37,767 INFO L93 Difference]: Finished difference Result 84 states and 113 transitions. [2022-10-17 10:10:37,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 113 transitions. [2022-10-17 10:10:37,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-10-17 10:10:37,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 113 transitions. [2022-10-17 10:10:37,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2022-10-17 10:10:37,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2022-10-17 10:10:37,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 113 transitions. [2022-10-17 10:10:37,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:37,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 113 transitions. [2022-10-17 10:10:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 113 transitions. [2022-10-17 10:10:37,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-10-17 10:10:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 83 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2022-10-17 10:10:37,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 113 transitions. [2022-10-17 10:10:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:10:37,787 INFO L428 stractBuchiCegarLoop]: Abstraction has 84 states and 113 transitions. [2022-10-17 10:10:37,787 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:10:37,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 113 transitions. [2022-10-17 10:10:37,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2022-10-17 10:10:37,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:37,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:37,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:37,789 INFO L748 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 498#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_#t~ret21#1, main_#t~post22#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~id1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~st1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~send1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~mode1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~id2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~st2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~send2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~mode2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~st3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~send3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~mode3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 499#L129 assume 0 == ~r1~0; 506#L130 assume ~id1~0 >= 0; 504#L131 assume 0 == ~st1~0; 505#L132 assume ~send1~0 == ~id1~0; 501#L133 assume 0 == ~mode1~0 % 256; 502#L134 assume ~id2~0 >= 0; 497#L135 assume 0 == ~st2~0; 468#L136 assume ~send2~0 == ~id2~0; 469#L137 assume 0 == ~mode2~0 % 256; 512#L138 assume ~id3~0 >= 0; 487#L139 assume 0 == ~st3~0; 488#L140 assume ~send3~0 == ~id3~0; 507#L141 assume 0 == ~mode3~0 % 256; 491#L142 assume ~id1~0 != ~id2~0; 490#L143 assume ~id1~0 != ~id3~0; 456#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 457#L129-1 init_#res#1 := init_~tmp~0#1; 485#L194 main_#t~ret20#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 486#L246 assume !(0 == main_~i2~0#1); 464#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 465#L254-2 [2022-10-17 10:10:37,789 INFO L750 eck$LassoCheckResult]: Loop: 465#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 451#L54 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 452#L58 assume !(node1_~m1~0#1 != ~nomsg~0); 463#L58-1 ~mode1~0 := 0; 459#L54-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 460#L80 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 461#L83 assume !(node2_~m2~0#1 != ~nomsg~0); 513#L83-1 ~mode2~0 := 0; 477#L80-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 472#L105 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 473#L108 assume !(node3_~m3~0#1 != ~nomsg~0); 466#L108-1 ~mode3~0 := 0; 467#L105-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 500#L202 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 514#L203 assume !(~r1~0 >= 3); 492#L206 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 493#L207 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 534#L202-1 check_#res#1 := check_~tmp~1#1; 533#L222 main_#t~ret21#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret21#1;havoc main_#t~ret21#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 532#L278 assume !(0 == assert_~arg#1 % 256); 531#L273 assume { :end_inline_assert } true;main_#t~post22#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post22#1;havoc main_#t~post22#1; 465#L254-2 [2022-10-17 10:10:37,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 3 times [2022-10-17 10:10:37,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314345004] [2022-10-17 10:10:37,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1765245589, now seen corresponding path program 1 times [2022-10-17 10:10:37,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614938896] [2022-10-17 10:10:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:37,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:37,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:37,848 INFO L85 PathProgramCache]: Analyzing trace with hash 487220951, now seen corresponding path program 1 times [2022-10-17 10:10:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:37,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269619524] [2022-10-17 10:10:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:37,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269619524] [2022-10-17 10:10:37,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269619524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:37,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:37,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:10:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134074829] [2022-10-17 10:10:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:38,553 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:38,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:38,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:38,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:38,554 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:10:38,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:38,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:38,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:38,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-10-17 10:10:38,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:38,558 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:38,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:38,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:39,154 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:10:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:39,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:39,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:39,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:10:39,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:39,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:39,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:39,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:10:39,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:10:39,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:39,464 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:10:39,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:39,470 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:39,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:39,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:39,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:39,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:39,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:39,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:39,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:39,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-10-17 10:10:39,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:39,471 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:39,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:39,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:40,021 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:40,025 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:40,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:10:40,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:40,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:40,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:40,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:40,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:10:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:40,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:40,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:40,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:40,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:10:40,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:40,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:40,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:40,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-10-17 10:10:40,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:10:40,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:40,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:40,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:40,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:40,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,298 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:10:40,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,307 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:10:40,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,319 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:10:40,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:40,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,378 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:40,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:40,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:40,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:40,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:40,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:40,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:40,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:40,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:10:40,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:40,453 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:10:40,453 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:10:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,459 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,501 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:40,501 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:10:40,501 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:40,502 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2022-10-17 10:10:40,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:10:40,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:40,542 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:10:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:40,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:10:40,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:40,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:10:40,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:40,804 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:10:40,805 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 113 transitions. cyclomatic complexity: 30 Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) [2022-10-17 10:10:40,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 113 transitions. cyclomatic complexity: 30. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) Result 145 states and 204 transitions. Complement of second has 4 states. [2022-10-17 10:10:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) [2022-10-17 10:10:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2022-10-17 10:10:40,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 73 transitions. Stem has 22 letters. Loop has 21 letters. [2022-10-17 10:10:40,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:40,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 73 transitions. Stem has 43 letters. Loop has 21 letters. [2022-10-17 10:10:40,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:40,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 73 transitions. Stem has 22 letters. Loop has 42 letters. [2022-10-17 10:10:40,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:40,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 204 transitions. [2022-10-17 10:10:40,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:40,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 0 states and 0 transitions. [2022-10-17 10:10:40,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:10:40,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:10:40,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:10:40,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:40,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:40,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:40,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:40,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:10:40,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:10:40,877 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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) [2022-10-17 10:10:40,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:40,877 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-10-17 10:10:40,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-10-17 10:10:40,878 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:40,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:10:40,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:10:40,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:10:40,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:10:40,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:40,879 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:40,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:40,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:10:40,882 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:40,882 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:10:40,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:10:40,882 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:40,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:10:40,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:10:40 BoogieIcfgContainer [2022-10-17 10:10:40,889 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:10:40,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:10:40,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:10:40,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:10:40,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:36" (3/4) ... [2022-10-17 10:10:40,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:10:40,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:10:40,893 INFO L158 Benchmark]: Toolchain (without parser) took 5753.24ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 76.2MB in the beginning and 82.0MB in the end (delta: -5.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,894 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:40,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.85ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 81.7MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.19ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,895 INFO L158 Benchmark]: Boogie Preprocessor took 47.97ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,896 INFO L158 Benchmark]: RCFGBuilder took 592.45ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 61.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,897 INFO L158 Benchmark]: BuchiAutomizer took 4650.43ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 61.1MB in the beginning and 82.0MB in the end (delta: -20.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-10-17 10:10:40,897 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 146.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:40,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.85ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 81.7MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.19ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.97ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.45ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 61.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4650.43ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 61.1MB in the beginning and 82.0MB in the end (delta: -20.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 146.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 932 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 585 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 347 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax100 hnf100 lsp31 ukn100 mio100 lsp100 div169 bol100 ite100 ukn100 eq151 hnf98 smp75 dnf108 smp92 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:10:40,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:41,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e07a3-fe50-4b70-bf8e-6b26f492938a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE