./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-03-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-03-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bfe3774f338fff1efd12c2f95aa173e1ad8cef8d4f5d724dd7b77b773a2449e9 --- 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-e04fb08 [2022-11-16 12:22:51,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:22:51,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:22:51,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:22:51,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:22:51,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:22:51,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:22:51,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:22:51,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:22:51,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:22:51,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:22:51,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:22:51,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:22:51,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:22:51,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:22:51,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:22:51,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:22:51,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:22:51,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:22:51,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:22:51,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:22:51,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:22:51,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:22:51,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:22:51,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:22:51,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:22:51,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:22:51,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:22:51,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:22:51,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:22:51,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:22:51,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:22:51,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:22:51,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:22:51,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:22:51,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:22:51,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:22:51,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:22:51,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:22:51,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:22:51,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:22:51,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:22:51,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:22:51,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:22:51,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:22:51,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:22:51,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:22:51,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:22:51,305 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:22:51,305 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:22:51,305 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:22:51,306 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:22:51,307 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:22:51,307 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:22:51,308 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:22:51,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:22:51,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:22:51,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:22:51,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:22:51,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:22:51,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:22:51,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:22:51,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:22:51,311 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:22:51,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:22:51,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:22:51,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:22:51,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:22:51,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:22:51,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:22:51,314 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:22:51,315 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_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe3774f338fff1efd12c2f95aa173e1ad8cef8d4f5d724dd7b77b773a2449e9 [2022-11-16 12:22:51,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:22:51,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:22:51,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:22:51,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:22:51,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:22:51,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-bwb/not-03-false.c [2022-11-16 12:22:51,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/data/f0f07b055/26efd17b33a847f6b67950e294901765/FLAG5562147ce [2022-11-16 12:22:52,262 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:22:52,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/sv-benchmarks/c/termination-bwb/not-03-false.c [2022-11-16 12:22:52,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/data/f0f07b055/26efd17b33a847f6b67950e294901765/FLAG5562147ce [2022-11-16 12:22:52,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/data/f0f07b055/26efd17b33a847f6b67950e294901765 [2022-11-16 12:22:52,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:22:52,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:22:52,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:52,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:22:52,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:22:52,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:52" (1/1) ... [2022-11-16 12:22:52,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bacd9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:52, skipping insertion in model container [2022-11-16 12:22:52,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:52" (1/1) ... [2022-11-16 12:22:52,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:22:52,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:22:52,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:52,972 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:22:52,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:53,005 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:22:53,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53 WrapperNode [2022-11-16 12:22:53,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:53,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:53,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:22:53,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:22:53,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,050 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-16 12:22:53,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:53,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:22:53,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:22:53,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:22:53,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:22:53,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:22:53,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:22:53,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:22:53,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (1/1) ... [2022-11-16 12:22:53,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:22:53,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:53,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:53,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:22:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:22:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:22:53,245 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:22:53,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:22:53,375 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:22:53,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:22:53,383 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:22:53,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:53 BoogieIcfgContainer [2022-11-16 12:22:53,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:22:53,388 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:22:53,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:22:53,393 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:22:53,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:22:53,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:22:52" (1/3) ... [2022-11-16 12:22:53,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39aee077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:22:53, skipping insertion in model container [2022-11-16 12:22:53,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:22:53,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:53" (2/3) ... [2022-11-16 12:22:53,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39aee077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:22:53, skipping insertion in model container [2022-11-16 12:22:53,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:22:53,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:53" (3/3) ... [2022-11-16 12:22:53,399 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-03-false.c [2022-11-16 12:22:53,478 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:22:53,478 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:22:53,479 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:22:53,479 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:22:53,479 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:22:53,479 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:22:53,480 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:22:53,480 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:22:53,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:53,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:53,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:22:53,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:22:53,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:22:53,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:22:53,522 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:22:53,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:53,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:53,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:22:53,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:22:53,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:22:53,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:22:53,531 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L19-2true [2022-11-16 12:22:53,532 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0); 8#L19true assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := main_~x~0#1 - 1; 2#L19-2true [2022-11-16 12:22:53,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:22:53,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:53,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058438502] [2022-11-16 12:22:53,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:53,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:53,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:53,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:53,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-16 12:22:53,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:53,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141948993] [2022-11-16 12:22:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:53,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:53,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141948993] [2022-11-16 12:22:53,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141948993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:53,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:53,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 12:22:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756275841] [2022-11-16 12:22:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:53,842 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:22:53,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:53,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:53,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:53,893 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:53,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:53,916 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2022-11-16 12:22:53,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 8 transitions. [2022-11-16 12:22:53,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:53,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 4 transitions. [2022-11-16 12:22:53,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-16 12:22:53,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2022-11-16 12:22:53,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2022-11-16 12:22:53,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:53,928 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-16 12:22:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2022-11-16 12:22:53,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2022-11-16 12:22:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2022-11-16 12:22:53,960 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-16 12:22:53,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:53,969 INFO L428 stractBuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-16 12:22:53,969 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:22:53,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2022-11-16 12:22:53,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:22:53,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:22:53,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:22:53,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:22:53,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:22:53,973 INFO L748 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 28#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 25#L19-2 [2022-11-16 12:22:53,975 INFO L750 eck$LassoCheckResult]: Loop: 25#L19-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0); 26#L19 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~x~0#1);assume main_~y~0#1 != main_~x~0#1;assume main_~x~0#1 >= 0 || main_~y~0#1 > 0; 25#L19-2 [2022-11-16 12:22:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:53,976 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-16 12:22:53,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:53,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63900835] [2022-11-16 12:22:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:53,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:53,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-11-16 12:22:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:54,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867324235] [2022-11-16 12:22:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:54,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:54,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-16 12:22:54,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:54,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633484959] [2022-11-16 12:22:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:54,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:22:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:22:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:22:54,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:22:54 BoogieIcfgContainer [2022-11-16 12:22:54,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:22:54,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:22:54,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:22:54,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:22:54,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:53" (3/4) ... [2022-11-16 12:22:54,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:22:54,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:22:54,266 INFO L158 Benchmark]: Toolchain (without parser) took 1572.04ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 59.5MB in the beginning and 110.6MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:22:54,266 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:22:54,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.51ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 59.3MB in the beginning and 110.2MB in the end (delta: -51.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:22:54,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.18ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 109.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:22:54,269 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 134.2MB. Free memory was 109.1MB in the beginning and 108.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:22:54,270 INFO L158 Benchmark]: RCFGBuilder took 307.32ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 99.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:22:54,270 INFO L158 Benchmark]: BuchiAutomizer took 857.44ms. Allocated memory is still 134.2MB. Free memory was 99.7MB in the beginning and 73.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 12:22:54,271 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 134.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:22:54,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.51ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 59.3MB in the beginning and 110.2MB in the end (delta: -51.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.18ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 109.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 134.2MB. Free memory was 109.1MB in the beginning and 108.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.32ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 99.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 857.44ms. Allocated memory is still 134.2MB. Free memory was 99.7MB in the beginning and 73.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 134.2MB. Free memory is still 110.6MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one module whose termination is unknown.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y = ~x [20] (Reason bitwiseComplement) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" Loop: "assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0);" "assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~x~0#1);assume main_~y~0#1 != main_~x~0#1;assume main_~x~0#1 >= 0 || main_~y~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-16 12:22:54,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57a29ba-822f-40d3-86a1-dac43cd62fa0/bin/uautomizer-tPACEb0tL8/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN