./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/aviad.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_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/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_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/aviad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/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_34aeab1d-c443-490a-a807-cec4bbb44503/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 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 --- 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 11:03:49,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:03:49,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:03:49,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:03:49,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:03:49,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:03:49,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:03:49,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:03:49,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:03:49,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:03:49,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:03:49,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:03:49,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:03:49,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:03:49,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:03:49,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:03:49,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:03:49,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:03:49,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:03:49,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:03:49,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:03:49,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:03:49,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:03:49,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:03:49,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:03:49,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:03:49,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:03:49,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:03:49,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:03:49,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:03:49,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:03:49,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:03:49,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:03:49,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:03:49,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:03:49,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:03:49,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:03:49,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:03:49,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:03:49,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:03:49,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:03:49,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:03:49,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:03:49,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:03:49,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:03:49,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:03:49,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:03:49,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:03:49,626 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:03:49,626 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:03:49,626 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:03:49,627 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:03:49,628 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:03:49,628 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:03:49,628 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:03:49,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:03:49,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:03:49,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:03:49,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:03:49,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:03:49,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:03:49,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:03:49,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:03:49,630 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:03:49,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:03:49,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:03:49,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:03:49,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:03:49,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:03:49,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:03:49,641 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:03:49,641 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_34aeab1d-c443-490a-a807-cec4bbb44503/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 [2022-11-16 11:03:49,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:03:49,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:03:49,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:03:49,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:03:49,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:03:49,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted-lit/aviad.c [2022-11-16 11:03:50,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/data/cf9d56e60/7d18954e370c4945a3e3ce79681e2b34/FLAGef7f6bc8b [2022-11-16 11:03:50,422 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:03:50,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/sv-benchmarks/c/termination-crafted-lit/aviad.c [2022-11-16 11:03:50,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/data/cf9d56e60/7d18954e370c4945a3e3ce79681e2b34/FLAGef7f6bc8b [2022-11-16 11:03:50,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/data/cf9d56e60/7d18954e370c4945a3e3ce79681e2b34 [2022-11-16 11:03:50,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:03:50,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:03:50,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:03:50,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:03:50,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:03:50,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:03:50" (1/1) ... [2022-11-16 11:03:50,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15618c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:50, skipping insertion in model container [2022-11-16 11:03:50,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:03:50" (1/1) ... [2022-11-16 11:03:50,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:03:50,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:03:51,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:03:51,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:03:51,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:03:51,143 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:03:51,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51 WrapperNode [2022-11-16 11:03:51,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:03:51,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:03:51,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:03:51,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:03:51,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,179 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-11-16 11:03:51,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:03:51,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:03:51,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:03:51,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:03:51,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:03:51,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:03:51,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:03:51,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:03:51,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (1/1) ... [2022-11-16 11:03:51,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:51,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:51,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:51,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:03:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:03:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:03:51,346 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:03:51,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:03:51,422 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:03:51,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:03:51,429 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:03:51,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:51 BoogieIcfgContainer [2022-11-16 11:03:51,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:03:51,432 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:03:51,432 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:03:51,436 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:03:51,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:03:51,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:03:50" (1/3) ... [2022-11-16 11:03:51,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ed2a59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:03:51, skipping insertion in model container [2022-11-16 11:03:51,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:03:51,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:51" (2/3) ... [2022-11-16 11:03:51,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ed2a59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:03:51, skipping insertion in model container [2022-11-16 11:03:51,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:03:51,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:51" (3/3) ... [2022-11-16 11:03:51,441 INFO L332 chiAutomizerObserver]: Analyzing ICFG aviad.c [2022-11-16 11:03:51,495 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:03:51,495 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:03:51,495 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:03:51,496 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:03:51,496 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:03:51,496 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:03:51,496 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:03:51,496 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:03:51,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 11:03:51,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:03:51,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:03:51,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:03:51,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:03:51,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:03:51,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:03:51,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 11:03:51,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:03:51,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:03:51,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:03:51,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:03:51,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:03:51,532 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~x~0#1, main_~count~1#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;assume { :begin_inline_f } true;f_#in~a#1 := main_~x~0#1;havoc f_#res#1;havoc f_#t~post0#1, f_~a#1, f_~tmp~0#1, f_~count~0#1;f_~a#1 := f_#in~a#1;havoc f_~tmp~0#1;f_~count~0#1 := 0; 10#L11-2true [2022-11-16 11:03:51,533 INFO L750 eck$LassoCheckResult]: Loop: 10#L11-2true assume !!(f_~a#1 > 1);f_~tmp~0#1 := (if f_~a#1 < 0 && 0 != f_~a#1 % 2 then f_~a#1 % 2 - 2 else f_~a#1 % 2); 5#L13true assume !(0 == f_~tmp~0#1);f_~a#1 := f_~a#1 - 1; 6#L13-2true f_#t~post0#1 := f_~count~0#1;f_~count~0#1 := 1 + f_#t~post0#1;havoc f_#t~post0#1; 10#L11-2true [2022-11-16 11:03:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:03:51,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:51,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794723112] [2022-11-16 11:03:51,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:51,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:03:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:03:51,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2022-11-16 11:03:51,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:51,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9342045] [2022-11-16 11:03:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:51,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:03:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:03:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:51,674 INFO L85 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2022-11-16 11:03:51,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:51,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330566292] [2022-11-16 11:03:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:03:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:03:51,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:03:51,831 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:03:51,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:03:51,831 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:03:51,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:03:51,832 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:03:51,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:51,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:03:51,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:03:51,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2022-11-16 11:03:51,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:03:51,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:03:51,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:51,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:51,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:52,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:03:52,105 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:03:52,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:03:52,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:03:52,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:03:52,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:03:52,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:03:52,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:03:52,210 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:03:52,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~count~0#1=0} Honda state: {ULTIMATE.start_f_~count~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~count~0#1=1}, {ULTIMATE.start_f_~count~0#1=-6}, {ULTIMATE.start_f_~count~0#1=6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-11-16 11:03:52,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:03:52,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:03:52,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:03:52,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:03:52,243 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0#1=0} Honda state: {ULTIMATE.start_f_#t~post0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:03:52,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-16 11:03:52,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:03:52,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:03:52,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:03:52,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:03:52,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:03:52,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:03:52,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:03:52,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,382 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:03:52,383 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:03:52,383 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:03:52,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:03:52,383 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:03:52,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:03:52,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:03:52,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2022-11-16 11:03:52,384 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:03:52,384 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:03:52,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:52,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:52,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:03:52,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:03:52,583 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:03:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:03:52,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:03:52,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:03:52,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:03:52,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:03:52,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:03:52,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:03:52,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:03:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:03:52,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:03:52,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,644 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:03:52,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:03:52,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:03:52,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:03:52,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:03:52,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:03:52,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:03:52,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:03:52,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:03:52,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:03:52,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:03:52,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:03:52,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:03:52,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:03:52,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:03:52,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:03:52,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:03:52,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:03:52,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:03:52,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:03:52,723 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-16 11:03:52,723 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:03:52,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:03:52,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:52,731 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:52,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:03:52,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:03:52,734 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:03:52,734 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:03:52,735 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~a#1) = 1*ULTIMATE.start_f_~a#1 Supporting invariants [] [2022-11-16 11:03:52,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:52,742 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:03:52,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:52,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:03:52,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:03:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:52,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:03:52,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:03:52,913 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 11:03:52,954 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-16 11:03:52,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 11:03:53,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 25 states and 29 transitions. Complement of second has 7 states. [2022-11-16 11:03:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:03:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 11:03:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-11-16 11:03:53,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-16 11:03:53,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:03:53,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-16 11:03:53,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:03:53,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-16 11:03:53,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:03:53,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-11-16 11:03:53,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:03:53,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-11-16 11:03:53,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:03:53,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:03:53,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:03:53,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:03:53,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:03:53,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:03:53,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:03:53,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:03:53,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:03:53,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:03:53,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:03:53,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:03:53 BoogieIcfgContainer [2022-11-16 11:03:53,044 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:03:53,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:03:53,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:03:53,047 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:03:53,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:51" (3/4) ... [2022-11-16 11:03:53,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:03:53,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:03:53,054 INFO L158 Benchmark]: Toolchain (without parser) took 2209.95ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 66.7MB in the beginning and 95.0MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:03:53,054 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:03:53,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 111.1MB. Free memory was 66.5MB in the beginning and 86.5MB in the end (delta: -20.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:03:53,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.55ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 85.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:03:53,062 INFO L158 Benchmark]: Boogie Preprocessor took 25.76ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:03:53,063 INFO L158 Benchmark]: RCFGBuilder took 224.38ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 75.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:03:53,063 INFO L158 Benchmark]: BuchiAutomizer took 1612.45ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.1MB in the beginning and 95.8MB in the end (delta: -20.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-16 11:03:53,064 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 95.0MB in the end (delta: 818.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:03:53,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 111.1MB. Free memory was 66.5MB in the beginning and 86.5MB in the end (delta: -20.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.55ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 85.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.76ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 224.38ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 75.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1612.45ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 75.1MB in the beginning and 95.8MB in the end (delta: -20.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 95.0MB in the end (delta: 818.8kB). 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div294 bol100 ite100 ukn100 eq153 hnf95 smp47 dnf100 smp100 tf105 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:03:53,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:53,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34aeab1d-c443-490a-a807-cec4bbb44503/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 Writing output log to file Ultimate.log Result: TRUE