./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f8b82d203c82fbd9a6998ebae2e5e61d62e5cb0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:28:54,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:28:54,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:28:54,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:28:54,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:28:54,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:28:54,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:28:54,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:28:54,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:28:54,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:28:54,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:28:54,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:28:54,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:28:54,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:28:54,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:28:54,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:28:54,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:28:54,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:28:54,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:28:54,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:28:54,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:28:54,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:28:54,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:28:54,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:28:54,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:28:54,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:28:54,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:28:54,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:28:54,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:28:54,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:28:54,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:28:54,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:28:54,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:28:54,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:28:54,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:28:54,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:28:54,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:28:54,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:28:54,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:28:54,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:28:54,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:28:54,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:28:54,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:28:54,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:28:54,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:28:54,560 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:28:54,560 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:28:54,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:28:54,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:28:54,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:28:54,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:28:54,563 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:28:54,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:28:54,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:28:54,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:28:54,564 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:28:54,565 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:28:54,565 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f8b82d203c82fbd9a6998ebae2e5e61d62e5cb0 [2019-12-07 12:28:54,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:28:54,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:28:54,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:28:54,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:28:54,679 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:28:54,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-12-07 12:28:54,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/data/8f490564c/01d0757bd3964c809976cba728531240/FLAGc61b3c0c5 [2019-12-07 12:28:55,165 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:28:55,166 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-12-07 12:28:55,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/data/8f490564c/01d0757bd3964c809976cba728531240/FLAGc61b3c0c5 [2019-12-07 12:28:55,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/data/8f490564c/01d0757bd3964c809976cba728531240 [2019-12-07 12:28:55,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:28:55,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:28:55,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:28:55,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:28:55,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:28:55,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f87f835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55, skipping insertion in model container [2019-12-07 12:28:55,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:28:55,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:28:55,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:28:55,452 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:28:55,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:28:55,528 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:28:55,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55 WrapperNode [2019-12-07 12:28:55,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:28:55,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:28:55,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:28:55,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:28:55,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:28:55,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:28:55,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:28:55,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:28:55,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... [2019-12-07 12:28:55,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:28:55,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:28:55,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:28:55,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:28:55,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 12:28:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 12:28:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 12:28:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:28:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-07 12:28:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:28:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:28:55,743 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 12:28:55,761 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:28:55,762 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 12:28:55,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:55 BoogieIcfgContainer [2019-12-07 12:28:55,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:28:55,763 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:28:55,763 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:28:55,765 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:28:55,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:28:55,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:28:55" (1/3) ... [2019-12-07 12:28:55,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78bc5171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:28:55, skipping insertion in model container [2019-12-07 12:28:55,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:28:55,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:55" (2/3) ... [2019-12-07 12:28:55,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78bc5171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:28:55, skipping insertion in model container [2019-12-07 12:28:55,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:28:55,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:55" (3/3) ... [2019-12-07 12:28:55,768 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2019-12-07 12:28:55,795 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:28:55,796 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:28:55,796 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:28:55,796 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:28:55,796 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:28:55,796 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:28:55,796 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:28:55,796 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:28:55,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 12:28:55,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-12-07 12:28:55,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:55,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:55,833 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 12:28:55,833 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:55,833 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:28:55,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 12:28:55,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-12-07 12:28:55,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:55,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:55,835 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 12:28:55,835 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:55,840 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 3#L633true call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 14##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; 4#$Ultimate##0true #t~loopctr7 := 0; 8#L-1-1true [2019-12-07 12:28:55,840 INFO L796 eck$LassoCheckResult]: Loop: 8#L-1-1true assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 8#L-1-1true [2019-12-07 12:28:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:55,844 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2019-12-07 12:28:55,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:55,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980965840] [2019-12-07 12:28:55,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:55,971 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:55,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:55,972 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2019-12-07 12:28:55,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:55,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408776425] [2019-12-07 12:28:55,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:55,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:55,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:55,988 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2019-12-07 12:28:55,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:55,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576396434] [2019-12-07 12:28:55,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:56,031 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:56,312 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-12-07 12:28:56,656 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-12-07 12:28:56,767 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:28:56,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:28:56,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:28:56,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:28:56,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:28:56,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:56,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:28:56,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:28:56,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2019-12-07 12:28:56,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:28:56,769 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:28:56,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:56,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,095 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-12-07 12:28:57,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:28:57,453 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:28:57,456 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:28:57,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:28:57,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:28:57,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/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 [2019-12-07 12:28:57,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,700 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 12:28:57,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,703 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 12:28:57,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:28:57,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:28:57,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:28:57,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:28:57,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:28:57,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:28:57,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:28:57,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:28:57,807 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 12:28:57,807 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:28:57,812 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:28:57,815 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 12:28:57,815 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:28:57,816 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr7, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr7 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-12-07 12:28:57,847 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-12-07 12:28:57,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-12-07 12:28:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:57,892 INFO L264 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:28:57,893 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:28:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:57,907 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:28:57,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:28:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:57,922 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 [2019-12-07 12:28:57,923 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 2 states. [2019-12-07 12:28:57,962 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 2 states. Result 27 states and 34 transitions. Complement of second has 6 states. [2019-12-07 12:28:57,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 12:28:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 12:28:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 12:28:57,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 12:28:57,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:28:57,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-12-07 12:28:57,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:28:57,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 12:28:57,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:28:57,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-12-07 12:28:57,969 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:57,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2019-12-07 12:28:57,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 12:28:57,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 12:28:57,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2019-12-07 12:28:57,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:28:57,973 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-12-07 12:28:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2019-12-07 12:28:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-12-07 12:28:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 12:28:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 12:28:57,992 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 12:28:57,992 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 12:28:57,992 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:28:57,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-12-07 12:28:57,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:57,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:57,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:57,993 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:28:57,993 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:57,993 INFO L794 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 133#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 134#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 135##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 137#$Ultimate##0 #t~loopctr7 := 0; 138#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 146#L-1-3 [2019-12-07 12:28:57,993 INFO L796 eck$LassoCheckResult]: Loop: 146#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 146#L-1-3 [2019-12-07 12:28:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:57,993 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2019-12-07 12:28:57,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:57,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879168033] [2019-12-07 12:28:57,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879168033] [2019-12-07 12:28:58,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:28:58,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:28:58,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573267508] [2019-12-07 12:28:58,038 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:28:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,038 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2019-12-07 12:28:58,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259724852] [2019-12-07 12:28:58,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,045 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:28:58,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:28:58,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:28:58,078 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 12:28:58,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:28:58,100 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-12-07 12:28:58,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:28:58,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-12-07 12:28:58,101 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2019-12-07 12:28:58,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-12-07 12:28:58,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 12:28:58,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-12-07 12:28:58,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:28:58,102 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 12:28:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-12-07 12:28:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 12:28:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 12:28:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-12-07 12:28:58,104 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 12:28:58,104 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 12:28:58,104 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:28:58,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2019-12-07 12:28:58,105 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:58,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:58,105 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:28:58,105 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:58,105 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 175#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 176#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 177##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 192#$Ultimate##0 #t~loopctr7 := 0; 191#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 189#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 190#L-1-3 [2019-12-07 12:28:58,105 INFO L796 eck$LassoCheckResult]: Loop: 190#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 190#L-1-3 [2019-12-07 12:28:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2019-12-07 12:28:58,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92682361] [2019-12-07 12:28:58,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92682361] [2019-12-07 12:28:58,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726850335] [2019-12-07 12:28:58,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:28:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:58,174 INFO L264 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:28:58,175 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:28:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:28:58,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-12-07 12:28:58,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449022062] [2019-12-07 12:28:58,200 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:28:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,200 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2019-12-07 12:28:58,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950699236] [2019-12-07 12:28:58,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:28:58,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:28:58,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:28:58,241 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand 8 states. [2019-12-07 12:28:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:28:58,273 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-12-07 12:28:58,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:28:58,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-12-07 12:28:58,275 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2019-12-07 12:28:58,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 12:28:58,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 12:28:58,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-12-07 12:28:58,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:28:58,276 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 12:28:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-12-07 12:28:58,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 12:28:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 12:28:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-12-07 12:28:58,277 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 12:28:58,277 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 12:28:58,277 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 12:28:58,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2019-12-07 12:28:58,278 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:58,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:58,278 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-12-07 12:28:58,278 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:58,278 INFO L794 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 242#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 243#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 244##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 261#$Ultimate##0 #t~loopctr7 := 0; 260#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 256#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 257#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 258#L-1-3 [2019-12-07 12:28:58,278 INFO L796 eck$LassoCheckResult]: Loop: 258#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 258#L-1-3 [2019-12-07 12:28:58,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,279 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2019-12-07 12:28:58,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684765805] [2019-12-07 12:28:58,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684765805] [2019-12-07 12:28:58,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769022590] [2019-12-07 12:28:58,320 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:28:58,354 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 12:28:58,354 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:28:58,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:28:58,356 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:28:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:28:58,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-12-07 12:28:58,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106031782] [2019-12-07 12:28:58,378 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:28:58,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,379 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2019-12-07 12:28:58,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095091993] [2019-12-07 12:28:58,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,384 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:28:58,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 12:28:58,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:28:58,423 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand 10 states. [2019-12-07 12:28:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:28:58,452 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-12-07 12:28:58,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:28:58,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2019-12-07 12:28:58,453 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2019-12-07 12:28:58,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-12-07 12:28:58,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 12:28:58,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2019-12-07 12:28:58,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:28:58,454 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-12-07 12:28:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2019-12-07 12:28:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 12:28:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 12:28:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-12-07 12:28:58,455 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-12-07 12:28:58,455 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-12-07 12:28:58,455 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 12:28:58,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2019-12-07 12:28:58,456 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:58,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:58,456 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2019-12-07 12:28:58,456 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:58,457 INFO L794 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 318#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 319#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 320##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 322#$Ultimate##0 #t~loopctr7 := 0; 323#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 330#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 331#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 335#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 333#L-1-3 [2019-12-07 12:28:58,457 INFO L796 eck$LassoCheckResult]: Loop: 333#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 333#L-1-3 [2019-12-07 12:28:58,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2019-12-07 12:28:58,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163443239] [2019-12-07 12:28:58,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:28:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163443239] [2019-12-07 12:28:58,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977210812] [2019-12-07 12:28:58,511 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6168e0f0-fbf7-4c10-aeff-43c43f12aa21/bin/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:28:58,545 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-07 12:28:58,545 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 12:28:58,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:28:58,547 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:28:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:28:58,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:28:58,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-12-07 12:28:58,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712051354] [2019-12-07 12:28:58,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:28:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,580 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2019-12-07 12:28:58,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704812625] [2019-12-07 12:28:58,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,585 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:28:58,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 12:28:58,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:28:58,617 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand 12 states. [2019-12-07 12:28:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:28:58,644 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2019-12-07 12:28:58,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:28:58,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-12-07 12:28:58,645 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2019-12-07 12:28:58,646 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 12:28:58,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 12:28:58,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-12-07 12:28:58,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:28:58,647 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-12-07 12:28:58,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-12-07 12:28:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-12-07 12:28:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 12:28:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-12-07 12:28:58,649 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-12-07 12:28:58,649 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-12-07 12:28:58,649 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 12:28:58,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2019-12-07 12:28:58,650 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-12-07 12:28:58,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:28:58,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:28:58,650 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2019-12-07 12:28:58,650 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:28:58,650 INFO L794 eck$LassoCheckResult]: Stem: 410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 403#L-1 havoc main_#res;havoc main_#t~memcpy~res4.base, main_#t~memcpy~res4.offset, main_#t~mem5.base, main_#t~mem5.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc2.base, foo_#t~malloc2.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc2.base, foo_#t~malloc2.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 404#L633 call foo_#t~memcpy~res3.base, foo_#t~memcpy~res3.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 405##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 408#$Ultimate##0 #t~loopctr7 := 0; 409#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 415#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 416#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 422#L-1-1 assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 420#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 418#L-1-3 [2019-12-07 12:28:58,650 INFO L796 eck$LassoCheckResult]: Loop: 418#L-1-3 assume #t~loopctr9 < size;call #t~mem10.base, #t~mem10.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr9, 4);call write~unchecked~$Pointer$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 418#L-1-3 [2019-12-07 12:28:58,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2019-12-07 12:28:58,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317896566] [2019-12-07 12:28:58,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,688 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,688 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2019-12-07 12:28:58,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974376164] [2019-12-07 12:28:58,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,695 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:58,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:28:58,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2019-12-07 12:28:58,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:28:58,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649283870] [2019-12-07 12:28:58,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:28:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:28:58,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:28:59,479 WARN L192 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2019-12-07 12:28:59,511 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:28:59,724 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-12-07 12:28:59,724 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:28:59,732 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:28:59,952 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-12-07 12:28:59,952 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:28:59,957 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:29:00,130 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-12-07 12:29:00,130 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:29:00,136 INFO L534 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:29:00,302 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-12-07 12:29:00,302 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:29:00,306 INFO L534 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:29:00,434 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-12-07 12:29:00,434 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:29:00,439 INFO L534 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 12:29:00,547 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-12-07 12:29:00,547 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 12:29:00,548 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-12-07 12:29:00,549 INFO L239 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:395, output treesize:311 [2019-12-07 12:29:00,805 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-12-07 12:29:01,569 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2019-12-07 12:29:01,838 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-12-07 12:29:01,841 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:29:01,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:29:01,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:29:01,841 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:29:01,841 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:29:01,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:29:01,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:29:01,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:29:01,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration6_Lasso [2019-12-07 12:29:01,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:29:01,841 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:29:01,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:29:02,366 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 12:29:02,368 INFO L168 Benchmark]: Toolchain (without parser) took 7178.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 938.0 MB in the beginning and 970.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 262.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:02,369 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:29:02,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:02,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:29:02,370 INFO L168 Benchmark]: Boogie Preprocessor took 18.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:02,370 INFO L168 Benchmark]: RCFGBuilder took 186.15 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:02,370 INFO L168 Benchmark]: BuchiAutomizer took 6604.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 110.1 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:02,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 186.15 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6604.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 110.1 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...