./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 0.1.24-678e011 [2019-11-20 10:51:49,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:51:49,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:51:49,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:51:49,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:51:49,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:51:49,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:51:49,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:51:49,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:51:49,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:51:49,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:51:49,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:51:49,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:51:49,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:51:49,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:51:49,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:51:49,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:51:49,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:51:49,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:51:49,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:51:49,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:51:49,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:51:49,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:51:49,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:51:49,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:51:49,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:51:49,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:51:49,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:51:49,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:51:49,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:51:49,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:51:49,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:51:49,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:51:49,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:51:49,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:51:49,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:51:49,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:51:49,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:51:49,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:51:49,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:51:49,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:51:49,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:51:49,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:51:49,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:51:49,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:51:49,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:51:49,349 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:51:49,350 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:51:49,350 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:51:49,350 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:51:49,350 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:51:49,350 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:51:49,351 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:51:49,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:51:49,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:51:49,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:51:49,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:51:49,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:51:49,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:51:49,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:51:49,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:51:49,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:51:49,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:51:49,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:51:49,354 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:51:49,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:51:49,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:51:49,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:51:49,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:51:49,355 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:51:49,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:51:49,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:51:49,356 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:51:49,357 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:51:49,357 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_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:49,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:51:49,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:51:49,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:51:49,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:51:49,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:51:49,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-11-20 10:51:49,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/data/b2dbe1616/5e9b516fe16d46a3b385db5049ce709d/FLAGd4323b82d [2019-11-20 10:51:50,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:51:50,044 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2019-11-20 10:51:50,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/data/b2dbe1616/5e9b516fe16d46a3b385db5049ce709d/FLAGd4323b82d [2019-11-20 10:51:50,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/data/b2dbe1616/5e9b516fe16d46a3b385db5049ce709d [2019-11-20 10:51:50,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:51:50,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:51:50,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:51:50,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:51:50,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:51:50,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:50" (1/1) ... [2019-11-20 10:51:50,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d2aaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:50, skipping insertion in model container [2019-11-20 10:51:50,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:50" (1/1) ... [2019-11-20 10:51:50,371 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:51:50,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:51:50,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:51:50,911 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:51:50,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:51:51,024 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:51:51,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51 WrapperNode [2019-11-20 10:51:51,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:51:51,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:51:51,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:51:51,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:51:51,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:51:51,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:51:51,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:51:51,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:51:51,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... [2019-11-20 10:51:51,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:51:51,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:51:51,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:51:51,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:51:51,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-20 10:51:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 10:51:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 10:51:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 10:51:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 10:51:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:51:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-20 10:51:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:51:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:51:51,450 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:51:51,479 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:51:51,479 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 10:51:51,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:51 BoogieIcfgContainer [2019-11-20 10:51:51,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:51:51,481 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:51:51,481 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:51:51,485 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:51:51,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:51:51,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:51:50" (1/3) ... [2019-11-20 10:51:51,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18da1b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:51:51, skipping insertion in model container [2019-11-20 10:51:51,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:51:51,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:51" (2/3) ... [2019-11-20 10:51:51,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18da1b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:51:51, skipping insertion in model container [2019-11-20 10:51:51,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:51:51,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:51" (3/3) ... [2019-11-20 10:51:51,490 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2019-11-20 10:51:51,529 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:51:51,529 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:51:51,530 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:51:51,530 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:51:51,530 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:51:51,530 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:51:51,530 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:51:51,530 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:51:51,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 10:51:51,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-20 10:51:51,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:51,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:51,568 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:51:51,569 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:51,569 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:51:51,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 10:51:51,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-20 10:51:51,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:51,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:51,571 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:51:51,571 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:51,577 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#$Ultimate##0true #t~loopctr7 := 0; 8#L-1-1true [2019-11-20 10:51:51,577 INFO L796 eck$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 [2019-11-20 10:51:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2019-11-20 10:51:51,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:51,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787208925] [2019-11-20 10:51:51,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:51,758 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2019-11-20 10:51:51,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:51,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274030297] [2019-11-20 10:51:51,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,774 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:51,776 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2019-11-20 10:51:51,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:51,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303770381] [2019-11-20 10:51:51,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:51,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:52,338 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-11-20 10:51:52,495 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-20 10:51:52,918 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-11-20 10:51:53,106 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-20 10:51:53,121 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:51:53,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:51:53,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:51:53,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:51:53,122 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:51:53,122 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:53,122 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:51:53,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:51:53,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2019-11-20 10:51:53,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:51:53,123 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:51:53,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,712 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-11-20 10:51:53,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:53,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:51:54,322 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2019-11-20 10:51:54,419 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:51:54,424 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:51:54,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:51:54,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:51:54,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:54,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:51:54,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:51:54,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:51:54,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:54,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:51:54,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:54,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:51:54,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:54,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:54,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:51:54,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:51:54,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:54,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:54,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:54,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:54,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:54,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:54,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:54,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:54,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:54,996 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 10:51:54,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:54,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,003 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 10:51:55,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:55,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:55,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:55,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:55,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:55,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:55,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:55,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:55,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:55,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:55,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:51:55,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:55,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:55,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:51:55,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:51:55,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:51:55,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:51:55,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:55,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:51:55,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:51:55,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:51:55,319 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-20 10:51:55,320 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_2b440405-dfe2-46bd-bf77-800bbdec88bb/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) [2019-11-20 10:51:55,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:51:55,341 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:51:55,341 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:51:55,342 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 [] [2019-11-20 10:51:55,394 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-11-20 10:51:55,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-20 10:51:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:55,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:51:55,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:51:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:55,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:51:55,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:51:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:55,481 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 [2019-11-20 10:51:55,482 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 2 states. [2019-11-20 10:51:55,552 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. [2019-11-20 10:51:55,553 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 [2019-11-20 10:51:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 10:51:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-20 10:51:55,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-20 10:51:55,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:51:55,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-20 10:51:55,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:51:55,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 10:51:55,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:51:55,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-20 10:51:55,561 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:55,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2019-11-20 10:51:55,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 10:51:55,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 10:51:55,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2019-11-20 10:51:55,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:51:55,567 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-20 10:51:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2019-11-20 10:51:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-20 10:51:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 10:51:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 10:51:55,587 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 10:51:55,587 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 10:51:55,587 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:51:55,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-20 10:51:55,588 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:55,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:55,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:55,589 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:51:55,589 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:55,589 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 [2019-11-20 10:51:55,589 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$(#t~mem10.base, #t~mem10.offset, dest.base, dest.offset + #t~loopctr9, 4);#t~loopctr9 := 4 + #t~loopctr9; 146#L-1-3 [2019-11-20 10:51:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2019-11-20 10:51:55,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:55,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810282013] [2019-11-20 10:51:55,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:55,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810282013] [2019-11-20 10:51:55,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:51:55,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:51:55,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481222618] [2019-11-20 10:51:55,670 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:51:55,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:55,671 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2019-11-20 10:51:55,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:55,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128421779] [2019-11-20 10:51:55,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:55,691 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:55,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:51:55,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:51:55,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:51:55,730 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 10:51:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:51:55,768 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-11-20 10:51:55,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:51:55,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-20 10:51:55,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:55,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2019-11-20 10:51:55,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-20 10:51:55,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 10:51:55,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-20 10:51:55,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:51:55,772 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-20 10:51:55,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-20 10:51:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 10:51:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 10:51:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-20 10:51:55,774 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-20 10:51:55,774 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-20 10:51:55,774 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 10:51:55,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2019-11-20 10:51:55,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:55,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:55,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:55,776 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:51:55,777 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:55,778 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 [2019-11-20 10:51:55,778 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 [2019-11-20 10:51:55,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:55,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2019-11-20 10:51:55,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:55,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990562641] [2019-11-20 10:51:55,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:55,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990562641] [2019-11-20 10:51:55,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582871004] [2019-11-20 10:51:55,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:55,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:51:55,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:51:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:55,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:51:55,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-11-20 10:51:55,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320179312] [2019-11-20 10:51:55,973 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:51:55,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:55,973 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2019-11-20 10:51:55,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:55,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675681130] [2019-11-20 10:51:55,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:55,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:56,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:51:56,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 10:51:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:51:56,030 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand 8 states. [2019-11-20 10:51:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:51:56,095 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-20 10:51:56,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:51:56,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-11-20 10:51:56,097 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2019-11-20 10:51:56,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 10:51:56,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 10:51:56,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-11-20 10:51:56,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:51:56,098 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 10:51:56,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-11-20 10:51:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 10:51:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 10:51:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-11-20 10:51:56,101 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 10:51:56,101 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 10:51:56,101 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 10:51:56,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2019-11-20 10:51:56,102 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:56,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:56,103 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-20 10:51:56,103 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:56,103 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 [2019-11-20 10:51:56,103 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 [2019-11-20 10:51:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,103 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2019-11-20 10:51:56,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646742874] [2019-11-20 10:51:56,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:56,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646742874] [2019-11-20 10:51:56,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347832693] [2019-11-20 10:51:56,208 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:56,260 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:51:56,260 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:51:56,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:51:56,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:51:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:56,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:51:56,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-11-20 10:51:56,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856718689] [2019-11-20 10:51:56,299 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:51:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,299 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2019-11-20 10:51:56,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140354951] [2019-11-20 10:51:56,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,307 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:56,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:51:56,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:51:56,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:51:56,362 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand 10 states. [2019-11-20 10:51:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:51:56,416 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-11-20 10:51:56,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:51:56,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2019-11-20 10:51:56,418 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2019-11-20 10:51:56,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-20 10:51:56,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-20 10:51:56,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2019-11-20 10:51:56,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:51:56,420 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-20 10:51:56,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2019-11-20 10:51:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-20 10:51:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 10:51:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-20 10:51:56,422 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-20 10:51:56,423 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-20 10:51:56,423 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 10:51:56,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2019-11-20 10:51:56,424 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:56,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:56,428 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2019-11-20 10:51:56,428 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:56,428 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 [2019-11-20 10:51:56,429 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 [2019-11-20 10:51:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2019-11-20 10:51:56,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24898284] [2019-11-20 10:51:56,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:51:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:56,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24898284] [2019-11-20 10:51:56,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470104122] [2019-11-20 10:51:56,524 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b440405-dfe2-46bd-bf77-800bbdec88bb/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 [2019-11-20 10:51:56,579 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-20 10:51:56,580 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:51:56,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 10:51:56,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:51:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:51:56,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:51:56,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-11-20 10:51:56,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979547553] [2019-11-20 10:51:56,627 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:51:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,628 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2019-11-20 10:51:56,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176660476] [2019-11-20 10:51:56,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,634 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:56,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:51:56,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 10:51:56,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:51:56,682 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand 12 states. [2019-11-20 10:51:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:51:56,737 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2019-11-20 10:51:56,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:51:56,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-11-20 10:51:56,739 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2019-11-20 10:51:56,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 10:51:56,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 10:51:56,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-11-20 10:51:56,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:51:56,740 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-20 10:51:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-11-20 10:51:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-20 10:51:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 10:51:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-20 10:51:56,743 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-20 10:51:56,743 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-20 10:51:56,743 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 10:51:56,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2019-11-20 10:51:56,744 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2019-11-20 10:51:56,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:51:56,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:51:56,745 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2019-11-20 10:51:56,745 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:51:56,745 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 [2019-11-20 10:51:56,746 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 [2019-11-20 10:51:56,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2019-11-20 10:51:56,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417280641] [2019-11-20 10:51:56,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:56,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,787 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2019-11-20 10:51:56,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354165981] [2019-11-20 10:51:56,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,793 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:56,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:51:56,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2019-11-20 10:51:56,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:51:56,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483775282] [2019-11-20 10:51:56,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:51:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:51:56,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:51:57,751 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2019-11-20 10:51:57,810 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:58,137 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-20 10:51:58,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:58,154 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:58,403 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-20 10:51:58,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:58,410 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:58,607 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-11-20 10:51:58,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:58,616 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:58,798 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-20 10:51:58,799 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:58,807 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:58,950 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 10:51:58,965 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:58,984 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:59,091 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-11-20 10:51:59,091 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:51:59,092 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-11-20 10:51:59,092 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:395, output treesize:311 [2019-11-20 10:51:59,377 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-11-20 10:51:59,494 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-20 10:52:00,221 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2019-11-20 10:52:00,498 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-20 10:52:00,501 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:52:00,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:52:00,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:52:00,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:52:00,501 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:52:00,501 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:52:00,501 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:52:00,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:52:00,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration6_Lasso [2019-11-20 10:52:00,501 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:52:00,501 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:52:00,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:00,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:52:01,075 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) [2019-11-20 10:52:01,077 INFO L168 Benchmark]: Toolchain (without parser) took 10723.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 940.7 MB in the beginning and 945.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 262.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:52:01,078 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:52:01,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:52:01,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:52:01,079 INFO L168 Benchmark]: Boogie Preprocessor took 44.46 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. [2019-11-20 10:52:01,079 INFO L168 Benchmark]: RCFGBuilder took 343.23 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:52:01,080 INFO L168 Benchmark]: BuchiAutomizer took 9595.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 945.7 MB in the end (delta: 132.8 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:52:01,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.69 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 44.46 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 343.23 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9595.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 945.7 MB in the end (delta: 132.8 MB). Peak memory consumption was 264.8 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...