./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer --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 0a93871a8dae316852c5fe296af5e1db1eea1d37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:15:49,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:15:49,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:15:49,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:15:49,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:15:49,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:15:49,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:15:49,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:15:49,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:15:49,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:15:49,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:15:49,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:15:49,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:15:49,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:15:49,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:15:49,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:15:49,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:15:49,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:15:49,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:15:49,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:15:49,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:15:49,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:15:49,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:15:49,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:15:49,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:15:49,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:15:49,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:15:49,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:15:49,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:15:49,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:15:49,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:15:49,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:15:49,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:15:49,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:15:49,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:15:49,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:15:49,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:15:49,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:15:49,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:15:49,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:15:49,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:15:49,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:15:49,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:15:49,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:15:49,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:15:49,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:15:49,756 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:15:49,756 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:15:49,756 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:15:49,756 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:15:49,757 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:15:49,757 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:15:49,757 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:15:49,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:15:49,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:15:49,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:15:49,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:15:49,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:15:49,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:15:49,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:15:49,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:15:49,759 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:15:49,760 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:15:49,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:15:49,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:15:49,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:15:49,761 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:15:49,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:15:49,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:15:49,761 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:15:49,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:15:49,763 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer 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 -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2019-11-19 22:15:49,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:15:49,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:15:49,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:15:49,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:15:49,950 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:15:49,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-19 22:15:50,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/data/e3e5c149f/6b01726500424e158b5ad8ff30161bd5/FLAG75c288626 [2019-11-19 22:15:50,400 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:15:50,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-19 22:15:50,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/data/e3e5c149f/6b01726500424e158b5ad8ff30161bd5/FLAG75c288626 [2019-11-19 22:15:50,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/data/e3e5c149f/6b01726500424e158b5ad8ff30161bd5 [2019-11-19 22:15:50,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:15:50,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:15:50,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:15:50,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:15:50,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:15:50,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f36b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50, skipping insertion in model container [2019-11-19 22:15:50,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:15:50,451 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:15:50,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:15:50,706 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:15:50,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:15:50,740 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:15:50,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50 WrapperNode [2019-11-19 22:15:50,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:15:50,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:15:50,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:15:50,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:15:50,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:15:50,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:15:50,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:15:50,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:15:50,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... [2019-11-19 22:15:50,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:15:50,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:15:50,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:15:50,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:15:50,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:15:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:15:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:15:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:15:50,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:15:51,023 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:15:51,023 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:15:51,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:15:51 BoogieIcfgContainer [2019-11-19 22:15:51,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:15:51,025 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:15:51,025 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:15:51,028 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:15:51,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:15:51,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:15:50" (1/3) ... [2019-11-19 22:15:51,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44446745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:15:51, skipping insertion in model container [2019-11-19 22:15:51,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:15:51,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:15:50" (2/3) ... [2019-11-19 22:15:51,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44446745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:15:51, skipping insertion in model container [2019-11-19 22:15:51,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:15:51,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:15:51" (3/3) ... [2019-11-19 22:15:51,033 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2019-11-19 22:15:51,086 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:15:51,086 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:15:51,087 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:15:51,087 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:15:51,087 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:15:51,087 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:15:51,087 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:15:51,087 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:15:51,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 22:15:51,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:15:51,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:15:51,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:15:51,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:15:51,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:15:51,124 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:15:51,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 22:15:51,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:15:51,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:15:51,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:15:51,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:15:51,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:15:51,133 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~nondet1, main_#t~mem3, main_#t~post4, main_#t~mem2, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(main_#t~nondet1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet1; 6#L15-3true [2019-11-19 22:15:51,133 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem2 >= 0);havoc main_#t~mem2;call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post4 := main_#t~mem3;call write~int(main_#t~post4 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~post4;havoc main_#t~mem3; 6#L15-3true [2019-11-19 22:15:51,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:15:51,139 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 22:15:51,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:15:51,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231642234] [2019-11-19 22:15:51,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:15:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,331 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:15:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:15:51,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-19 22:15:51,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:15:51,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754876694] [2019-11-19 22:15:51,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:15:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,352 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:15:51,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:15:51,357 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-19 22:15:51,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:15:51,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41248656] [2019-11-19 22:15:51,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:15:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:15:51,385 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:15:51,584 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-11-19 22:15:51,642 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:15:51,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:15:51,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:15:51,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:15:51,644 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:15:51,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:51,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:15:51,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:15:51,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-2.c_Iteration1_Lasso [2019-11-19 22:15:51,645 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:15:51,645 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:15:51,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:51,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:15:52,072 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:15:52,077 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:15:52,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:15:52,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:15:52,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:15:52,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:15:52,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:15:52,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:15:52,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:15:52,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:15:52,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:15:52,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:15:52,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:15:52,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:15:52,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:15:52,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:15:52,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:15:52,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:15:52,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:15:52,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:15:52,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:15:52,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:15:52,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:15:52,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:15:52,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:15:52,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:15:52,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:15:52,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:15:52,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:15:52,285 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,318 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 22:15:52,318 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14a691e3-412e-465e-8ac9-0231dd7a5664/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:15:52,322 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:15:52,324 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:15:52,324 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:15:52,325 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2019-11-19 22:15:52,335 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-19 22:15:52,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:15:52,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:15:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:15:52,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:15:52,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:15:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:15:52,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:15:52,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:15:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:15:52,433 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:15:52,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-19 22:15:52,480 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2019-11-19 22:15:52,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:15:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:15:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-19 22:15:52,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:15:52,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:15:52,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 22:15:52,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:15:52,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-19 22:15:52,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:15:52,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-11-19 22:15:52,493 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:15:52,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-19 22:15:52,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:15:52,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:15:52,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:15:52,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:15:52,497 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:15:52,497 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:15:52,497 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:15:52,497 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:15:52,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:15:52,498 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:15:52,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:15:52,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:15:52 BoogieIcfgContainer [2019-11-19 22:15:52,503 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:15:52,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:15:52,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:15:52,504 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:15:52,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:15:51" (3/4) ... [2019-11-19 22:15:52,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:15:52,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:15:52,512 INFO L168 Benchmark]: Toolchain (without parser) took 2088.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.1 MB in the beginning and 961.1 MB in the end (delta: -11.0 MB). Peak memory consumption was 131.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:15:52,513 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:15:52,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:15:52,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:15:52,516 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:15:52,517 INFO L168 Benchmark]: RCFGBuilder took 236.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:15:52,518 INFO L168 Benchmark]: BuchiAutomizer took 1477.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.1 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:15:52,521 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 1.2 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:15:52,527 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 236.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1477.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.1 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.07 ms. Allocated memory is still 1.2 GB. Free memory is still 961.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp93 ukn71 mio100 lsp37 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...