./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72da1f6907bc4b842c40cca6c3dd762e325d6dec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:27:44,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:27:44,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:27:44,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:27:44,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:27:44,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:27:44,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:27:44,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:27:44,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:27:44,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:27:44,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:27:44,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:27:44,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:27:44,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:27:44,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:27:44,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:27:44,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:27:44,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:27:44,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:27:44,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:27:44,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:27:44,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:27:44,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:27:44,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:27:44,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:27:44,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:27:44,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:27:44,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:27:44,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:27:44,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:27:44,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:27:44,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:27:44,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:27:44,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:27:44,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:27:44,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:27:44,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:27:44,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:27:44,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:27:44,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:27:44,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:27:44,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:27:44,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:27:44,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:27:44,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:27:44,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:27:44,667 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:27:44,667 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:27:44,667 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:27:44,668 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:27:44,668 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:27:44,668 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:27:44,668 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:27:44,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:27:44,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:27:44,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:27:44,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:27:44,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:27:44,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:27:44,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:27:44,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:27:44,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:27:44,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:27:44,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:27:44,671 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:27:44,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:27:44,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:27:44,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:27:44,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:27:44,672 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:27:44,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:27:44,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:27:44,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:27:44,673 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:27:44,674 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:27:44,675 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72da1f6907bc4b842c40cca6c3dd762e325d6dec [2020-10-19 20:27:45,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:27:45,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:27:45,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:27:45,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:27:45,071 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:27:45,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-10-19 20:27:45,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f59e3eb/1d74fe5c60e6482c929d01f9d72f296c/FLAGcd0366d7b [2020-10-19 20:27:45,663 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:27:45,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-1.i [2020-10-19 20:27:45,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f59e3eb/1d74fe5c60e6482c929d01f9d72f296c/FLAGcd0366d7b [2020-10-19 20:27:46,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f59e3eb/1d74fe5c60e6482c929d01f9d72f296c [2020-10-19 20:27:46,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:27:46,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:27:46,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:27:46,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:27:46,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:27:46,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35930483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46, skipping insertion in model container [2020-10-19 20:27:46,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:27:46,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:27:46,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:27:46,234 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:27:46,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:27:46,276 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:27:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46 WrapperNode [2020-10-19 20:27:46,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:27:46,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:27:46,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:27:46,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:27:46,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:27:46,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:27:46,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:27:46,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:27:46,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... [2020-10-19 20:27:46,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:27:46,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:27:46,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:27:46,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:27:46,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 20:27:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 20:27:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 20:27:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-19 20:27:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:27:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 20:27:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-19 20:27:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:27:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:27:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 20:27:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 20:27:46,702 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 20:27:46,738 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:27:46,738 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-19 20:27:46,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:46 BoogieIcfgContainer [2020-10-19 20:27:46,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:27:46,741 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:27:46,741 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:27:46,745 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:27:46,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:46,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:27:46" (1/3) ... [2020-10-19 20:27:46,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e1a8066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:27:46, skipping insertion in model container [2020-10-19 20:27:46,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:46,747 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:46" (2/3) ... [2020-10-19 20:27:46,748 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e1a8066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:27:46, skipping insertion in model container [2020-10-19 20:27:46,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:46,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:46" (3/3) ... [2020-10-19 20:27:46,750 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3.1-1.i [2020-10-19 20:27:46,806 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:27:46,807 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:27:46,807 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:27:46,807 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:27:46,807 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:27:46,807 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:27:46,808 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:27:46,808 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:27:46,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-10-19 20:27:46,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-19 20:27:46,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:46,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:46,868 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 20:27:46,869 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:46,869 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:27:46,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-10-19 20:27:46,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-19 20:27:46,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:46,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:46,873 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 20:27:46,873 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:46,882 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 18#L41true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 10##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr9 := 0; 19#L-1-1true [2020-10-19 20:27:46,882 INFO L796 eck$LassoCheckResult]: Loop: 19#L-1-1true assume #t~loopctr9 < size;call #t~mem10 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~int(#t~mem10, dest.base, dest.offset + #t~loopctr9, 4);call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr9, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr9, 1);#t~loopctr9 := 1 + #t~loopctr9; 19#L-1-1true [2020-10-19 20:27:46,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:46,890 INFO L82 PathProgramCache]: Analyzing trace with hash 28752799, now seen corresponding path program 1 times [2020-10-19 20:27:46,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:46,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542301852] [2020-10-19 20:27:46,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,081 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:47,083 INFO L82 PathProgramCache]: Analyzing trace with hash 86, now seen corresponding path program 1 times [2020-10-19 20:27:47,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:47,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512453425] [2020-10-19 20:27:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,097 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,100 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:47,102 INFO L82 PathProgramCache]: Analyzing trace with hash 891336824, now seen corresponding path program 1 times [2020-10-19 20:27:47,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:47,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810523976] [2020-10-19 20:27:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:47,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:47,176 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:47,568 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-19 20:27:47,686 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-19 20:27:48,008 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-10-19 20:27:48,119 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:48,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:48,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:48,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:48,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:27:48,122 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,122 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:48,122 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:48,122 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration1_Lasso [2020-10-19 20:27:48,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:48,123 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:48,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,367 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-19 20:27:48,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:48,806 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,831 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 [2020-10-19 20:27:48,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:48,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:48,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:48,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 20:27:48,869 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 [2020-10-19 20:27:48,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:48,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:48,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:48,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,906 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 [2020-10-19 20:27:48,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:48,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:48,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:48,919 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 20:27:48,948 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 [2020-10-19 20:27:48,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:48,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:48,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:48,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 20:27:48,978 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 [2020-10-19 20:27:48,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:48,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:48,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,023 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 [2020-10-19 20:27:49,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,065 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 [2020-10-19 20:27:49,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,098 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 [2020-10-19 20:27:49,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-19 20:27:49,130 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 [2020-10-19 20:27:49,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:49,169 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 [2020-10-19 20:27:49,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,205 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 [2020-10-19 20:27:49,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,234 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 [2020-10-19 20:27:49,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,262 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 [2020-10-19 20:27:49,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:49,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:49,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:49,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,291 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 [2020-10-19 20:27:49,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:49,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:49,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,335 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 [2020-10-19 20:27:49,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:49,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:49,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,386 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 [2020-10-19 20:27:49,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:49,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:49,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:49,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:49,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:49,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:49,407 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:27:49,450 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-10-19 20:27:49,450 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:49,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,465 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 20:27:49,466 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:27:49,467 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr9, v_rep(select #length #Ultimate.C_memcpy_dest.base)_1) = -1*#Ultimate.C_memcpy_#t~loopctr9 + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 Supporting invariants [-1*#Ultimate.C_memcpy_size + 1*v_rep(select #length #Ultimate.C_memcpy_dest.base)_1 >= 0] [2020-10-19 20:27:49,528 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-19 20:27:49,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 20:27:49,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable dest [2020-10-19 20:27:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:49,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 20:27:49,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:49,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:27:49,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:49,672 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-19 20:27:49,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states. Second operand 3 states. [2020-10-19 20:27:49,768 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states.. Second operand 3 states. Result 30 states and 41 transitions. Complement of second has 7 states. [2020-10-19 20:27:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 20:27:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:27:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-19 20:27:49,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-19 20:27:49,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:49,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-19 20:27:49,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:49,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-19 20:27:49,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:49,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-10-19 20:27:49,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 20:27:49,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 9 states and 11 transitions. [2020-10-19 20:27:49,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 20:27:49,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-19 20:27:49,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-10-19 20:27:49,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:49,789 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-19 20:27:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-10-19 20:27:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-10-19 20:27:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 20:27:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-10-19 20:27:49,817 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 20:27:49,818 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 20:27:49,818 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:27:49,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-10-19 20:27:49,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 20:27:49,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:49,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:49,820 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 20:27:49,820 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:49,820 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#d~0.base);call write~unchecked~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~unchecked~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~unchecked~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1); 128#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 129#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 134##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 131#$Ultimate##0 #t~loopctr9 := 0; 132#L-1-1 assume !(#t~loopctr9 < size);#t~loopctr12 := 0; 133#L-1-3 [2020-10-19 20:27:49,820 INFO L796 eck$LassoCheckResult]: Loop: 133#L-1-3 assume #t~loopctr12 < size;#t~loopctr12 := 4 + #t~loopctr12; 133#L-1-3 [2020-10-19 20:27:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:49,821 INFO L82 PathProgramCache]: Analyzing trace with hash 891336826, now seen corresponding path program 1 times [2020-10-19 20:27:49,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:49,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507422327] [2020-10-19 20:27:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:49,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507422327] [2020-10-19 20:27:49,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:27:49,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:27:49,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001977717] [2020-10-19 20:27:49,888 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:27:49,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:49,888 INFO L82 PathProgramCache]: Analyzing trace with hash 92, now seen corresponding path program 1 times [2020-10-19 20:27:49,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:49,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502168959] [2020-10-19 20:27:49,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:49,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:49,895 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:49,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:49,909 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:49,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:49,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:49,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:49,909 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:27:49,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:49,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:49,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:49,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-10-19 20:27:49,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:49,910 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:49,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:49,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:49,936 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:49,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:27:49,951 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:50,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:27:50,001 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:50,123 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:27:50,125 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:50,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:50,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:50,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:50,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:27:50,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:50,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:50,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:50,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3.1-1.i_Iteration2_Loop [2020-10-19 20:27:50,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:50,126 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:50,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:50,152 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:50,152 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:50,172 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 [2020-10-19 20:27:50,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:50,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:50,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:50,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:50,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:50,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:50,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:50,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:27:50,184 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-19 20:27:50,185 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:50,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:27:50,195 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:27:50,195 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:27:50,195 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr12) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr12 Supporting invariants [] [2020-10-19 20:27:50,229 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:27:50,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-19 20:27:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:50,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:50,298 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:50,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:50,301 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-19 20:27:50,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-10-19 20:27:50,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-10-19 20:27:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-19 20:27:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-19 20:27:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-10-19 20:27:50,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-19 20:27:50,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:50,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-10-19 20:27:50,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:50,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-19 20:27:50,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:50,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-10-19 20:27:50,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:50,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-19 20:27:50,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:27:50,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:27:50,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:27:50,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:50,315 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:50,315 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:50,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:27:50,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 20:27:50,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 20:27:50,321 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-10-19 20:27:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:27:50,324 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:27:50,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:27:50,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:27:50,325 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:50,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:27:50,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:27:50,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:27:50,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:27:50,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:50,326 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:50,326 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:50,326 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:50,327 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:27:50,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:27:50,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:50,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:27:50,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:27:50 BoogieIcfgContainer [2020-10-19 20:27:50,335 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:27:50,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:27:50,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:27:50,336 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:27:50,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:46" (3/4) ... [2020-10-19 20:27:50,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:27:50,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:27:50,344 INFO L168 Benchmark]: Toolchain (without parser) took 4336.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,345 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:27:50,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.17 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,353 INFO L168 Benchmark]: Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:27:50,353 INFO L168 Benchmark]: RCFGBuilder took 332.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,354 INFO L168 Benchmark]: BuchiAutomizer took 3593.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.1 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,358 INFO L168 Benchmark]: Witness Printer took 5.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:50,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.17 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3593.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.1 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable dest - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr9-aux + unknown-#length-unknown[dest] and consists of 4 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr12-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp98 ukn84 mio100 lsp82 div100 bol100 ite100 ukn100 eq167 hnf86 smp96 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...