./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6b0415ceba0811795bdd9d25bfbda379c533d6bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:15:47,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:15:47,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:15:47,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:15:47,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:15:47,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:15:47,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:15:47,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:15:47,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:15:47,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:15:47,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:15:47,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:15:47,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:15:47,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:15:47,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:15:47,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:15:47,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:15:47,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:15:47,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:15:47,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:15:47,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:15:47,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:15:47,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:15:47,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:15:47,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:15:47,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:15:47,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:15:47,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:15:47,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:15:47,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:15:47,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:15:47,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:15:47,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:15:47,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:15:47,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:15:47,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:15:47,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:15:47,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:15:47,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:15:47,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:15:47,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:15:47,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 23:15:47,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:15:47,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:15:47,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:15:47,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:15:47,249 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:15:47,250 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:15:47,250 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:15:47,250 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:15:47,250 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:15:47,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:15:47,251 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:15:47,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:15:47,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:15:47,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:15:47,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:15:47,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:15:47,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:15:47,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:15:47,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:15:47,252 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:15:47,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:15:47,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:15:47,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:15:47,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:15:47,253 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:15:47,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:15:47,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:15:47,254 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:15:47,254 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:15:47,255 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_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0415ceba0811795bdd9d25bfbda379c533d6bc [2019-11-19 23:15:47,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:15:47,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:15:47,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:15:47,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:15:47,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:15:47,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2019-11-19 23:15:47,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/data/f186bc48f/2d25d99b30764b2baa23b7251b6f8ef1/FLAG7e6cf71f5 [2019-11-19 23:15:47,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:15:47,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2019-11-19 23:15:47,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/data/f186bc48f/2d25d99b30764b2baa23b7251b6f8ef1/FLAG7e6cf71f5 [2019-11-19 23:15:47,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/data/f186bc48f/2d25d99b30764b2baa23b7251b6f8ef1 [2019-11-19 23:15:47,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:15:47,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:15:47,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:15:47,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:15:48,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:15:48,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:47" (1/1) ... [2019-11-19 23:15:48,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487c6bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48, skipping insertion in model container [2019-11-19 23:15:48,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:15:47" (1/1) ... [2019-11-19 23:15:48,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:15:48,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:15:48,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:15:48,422 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:15:48,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:15:48,516 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:15:48,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48 WrapperNode [2019-11-19 23:15:48,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:15:48,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:15:48,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:15:48,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:15:48,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:15:48,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:15:48,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:15:48,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:15:48,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... [2019-11-19 23:15:48,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:15:48,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:15:48,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:15:48,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:15:48,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:15:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:15:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:15:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:15:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:15:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:15:48,946 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:15:48,947 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-19 23:15:48,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:48 BoogieIcfgContainer [2019-11-19 23:15:48,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:15:48,949 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:15:48,949 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:15:48,951 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:15:48,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:15:48,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:15:47" (1/3) ... [2019-11-19 23:15:48,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29b605dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:15:48, skipping insertion in model container [2019-11-19 23:15:48,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:15:48,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:15:48" (2/3) ... [2019-11-19 23:15:48,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29b605dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:15:48, skipping insertion in model container [2019-11-19 23:15:48,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:15:48,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:48" (3/3) ... [2019-11-19 23:15:48,955 INFO L371 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-2.i [2019-11-19 23:15:48,989 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:15:48,990 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:15:48,990 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:15:48,990 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:15:48,990 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:15:48,991 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:15:48,991 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:15:48,991 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:15:49,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-19 23:15:49,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 23:15:49,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:15:49,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:15:49,025 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 23:15:49,025 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 23:15:49,025 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:15:49,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-19 23:15:49,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 23:15:49,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:15:49,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:15:49,027 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 23:15:49,027 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 23:15:49,033 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 7#L564true assume !(main_~array_size~0 < 1); 10#L564-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 15#L552-3true [2019-11-19 23:15:49,033 INFO L796 eck$LassoCheckResult]: Loop: 15#L552-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 9#L555-3true assume !true; 12#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 15#L552-3true [2019-11-19 23:15:49,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:49,038 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-19 23:15:49,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:49,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064731078] [2019-11-19 23:15:49,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:49,164 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2019-11-19 23:15:49,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:49,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401124013] [2019-11-19 23:15:49,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:49,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401124013] [2019-11-19 23:15:49,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:15:49,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:15:49,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190875064] [2019-11-19 23:15:49,199 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:15:49,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:15:49,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:15:49,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:15:49,216 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-19 23:15:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:15:49,220 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-19 23:15:49,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:15:49,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2019-11-19 23:15:49,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 23:15:49,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2019-11-19 23:15:49,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-19 23:15:49,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-19 23:15:49,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-19 23:15:49,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:15:49,227 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 23:15:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-19 23:15:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-19 23:15:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-19 23:15:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-19 23:15:49,248 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 23:15:49,249 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 23:15:49,249 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:15:49,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-19 23:15:49,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-19 23:15:49,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:15:49,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:15:49,250 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 23:15:49,250 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 23:15:49,250 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L564 assume !(main_~array_size~0 < 1); 36#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 40#L552-3 [2019-11-19 23:15:49,251 INFO L796 eck$LassoCheckResult]: Loop: 40#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 38#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 39#L555-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 41#L552-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 40#L552-3 [2019-11-19 23:15:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-11-19 23:15:49,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:49,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383475800] [2019-11-19 23:15:49,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,273 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:49,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:49,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2019-11-19 23:15:49,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:49,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606975247] [2019-11-19 23:15:49,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:49,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:49,292 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2019-11-19 23:15:49,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:49,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149541144] [2019-11-19 23:15:49,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:49,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:49,607 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-19 23:15:49,711 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:15:49,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:15:49,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:15:49,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:15:49,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:15:49,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:49,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:15:49,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:15:49,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration2_Lasso [2019-11-19 23:15:49,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:15:49,714 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:15:49,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:49,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:50,351 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:15:50,358 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:50,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:50,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:50,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:50,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:50,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:50,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:50,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:50,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:50,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:50,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:50,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:50,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:50,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:50,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:50,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:15:50,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:50,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:50,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:50,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:50,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:50,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:50,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:50,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:50,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:50,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:50,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:50,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:50,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:50,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:50,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:50,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:50,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:50,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:50,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:50,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:50,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:50,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,560 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:15:50,620 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-19 23:15:50,620 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:15:50,633 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:50,637 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 23:15:50,637 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:15:50,638 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2019-11-19 23:15:50,652 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-19 23:15:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:50,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:15:50,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:50,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:15:50,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:50,756 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:15:50,756 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-11-19 23:15:50,799 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 13 states and 17 transitions. Complement of second has 4 states. [2019-11-19 23:15:50,800 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 [2019-11-19 23:15:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:15:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-19 23:15:50,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-19 23:15:50,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:50,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-19 23:15:50,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:50,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2019-11-19 23:15:50,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:50,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2019-11-19 23:15:50,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:15:50,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2019-11-19 23:15:50,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-19 23:15:50,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-19 23:15:50,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-19 23:15:50,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:15:50,807 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-19 23:15:50,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-19 23:15:50,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-19 23:15:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 23:15:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-19 23:15:50,809 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-19 23:15:50,809 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-19 23:15:50,809 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:15:50,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-19 23:15:50,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:15:50,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:15:50,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:15:50,811 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 23:15:50,811 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:15:50,811 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 103#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 104#L564 assume !(main_~array_size~0 < 1); 105#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 111#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 107#L555-3 [2019-11-19 23:15:50,812 INFO L796 eck$LassoCheckResult]: Loop: 107#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 108#L555-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 107#L555-3 [2019-11-19 23:15:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-11-19 23:15:50,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:50,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050587438] [2019-11-19 23:15:50,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:50,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:50,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2019-11-19 23:15:50,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:50,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938983218] [2019-11-19 23:15:50,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,850 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:50,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-11-19 23:15:50,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:50,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970337265] [2019-11-19 23:15:50,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:50,908 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:51,149 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-11-19 23:15:51,239 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:15:51,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:15:51,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:15:51,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:15:51,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:15:51,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:15:51,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:15:51,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration3_Lasso [2019-11-19 23:15:51,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:15:51,240 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:15:51,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,438 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-11-19 23:15:51,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:51,832 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:15:51,832 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:51,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:51,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:51,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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 [2019-11-19 23:15:51,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:51,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:51,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:51,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:51,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:51,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:51,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:51,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:51,977 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 [2019-11-19 23:15:51,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:51,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:51,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:51,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:51,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:51,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:51,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:51,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:52,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:52,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:52,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:52,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:52,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:52,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:52,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:52,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:52,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:52,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:52,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:52,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:52,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:52,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:52,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:52,029 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 [2019-11-19 23:15:52,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:52,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:52,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:52,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:52,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:52,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:52,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:52,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:52,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:52,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:52,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:52,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:52,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:52,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:52,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:52,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:52,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:52,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:15:52,125 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 23:15:52,125 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:52,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:15:52,172 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 23:15:52,173 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:15:52,173 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2 Supporting invariants [] [2019-11-19 23:15:52,240 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-19 23:15:52,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:15:52,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:52,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:15:52,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:52,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:15:52,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:52,311 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:15:52,312 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-19 23:15:52,335 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 22 states and 29 transitions. Complement of second has 7 states. [2019-11-19 23:15:52,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:15:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:15:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-19 23:15:52,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-19 23:15:52,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:52,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 23:15:52,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:52,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-19 23:15:52,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:52,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2019-11-19 23:15:52,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:15:52,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 21 transitions. [2019-11-19 23:15:52,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-19 23:15:52,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-19 23:15:52,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-19 23:15:52,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 23:15:52,340 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-19 23:15:52,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-19 23:15:52,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2019-11-19 23:15:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-19 23:15:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-19 23:15:52,344 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-19 23:15:52,344 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-19 23:15:52,344 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 23:15:52,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-19 23:15:52,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 23:15:52,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:15:52,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:15:52,346 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:15:52,346 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:15:52,346 INFO L794 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 193#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 194#L564 assume !(main_~array_size~0 < 1); 195#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 201#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 204#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 205#L555-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 202#L552-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 203#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 197#L555-3 [2019-11-19 23:15:52,347 INFO L796 eck$LassoCheckResult]: Loop: 197#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 198#L555-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 197#L555-3 [2019-11-19 23:15:52,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:52,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2019-11-19 23:15:52,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:52,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684165349] [2019-11-19 23:15:52,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:52,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:52,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2019-11-19 23:15:52,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:52,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814970913] [2019-11-19 23:15:52,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:52,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:52,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2019-11-19 23:15:52,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:15:52,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365436849] [2019-11-19 23:15:52,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:15:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:15:52,468 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:15:52,786 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-11-19 23:15:52,876 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:15:52,876 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:15:52,876 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:15:52,877 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:15:52,877 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:15:52,877 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:52,877 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:15:52,877 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:15:52,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration4_Lasso [2019-11-19 23:15:52,877 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:15:52,878 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:15:52,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:52,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,091 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-11-19 23:15:53,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:15:53,622 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:15:53,622 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:53,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:53,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:53,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:53,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:53,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:53,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:53,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:15:53,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:53,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:53,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:53,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:53,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:53,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:53,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:53,765 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 [2019-11-19 23:15:53,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:15:53,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:15:53,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:15:53,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:15:53,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:15:53,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:15:53,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:15:53,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:15:53,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:15:53,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:15:53,831 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 23:15:53,831 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8051ae08-cbb2-467f-85a9-c78cbc235a42/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) [2019-11-19 23:15:53,844 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:15:53,845 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 23:15:53,845 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:15:53,845 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3 Supporting invariants [] Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:15:53,862 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-19 23:15:53,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 23:15:53,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:53,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:15:53,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:53,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:15:53,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:53,935 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:15:53,935 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-19 23:15:53,960 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 25 transitions. Complement of second has 7 states. [2019-11-19 23:15:53,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:15:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:15:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-19 23:15:53,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:15:53,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:53,962 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 23:15:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:54,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:15:54,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:54,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:15:54,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:54,036 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:15:54,036 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-19 23:15:54,057 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 25 transitions. Complement of second has 7 states. [2019-11-19 23:15:54,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:15:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:15:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-19 23:15:54,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:15:54,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:54,059 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 23:15:54,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:15:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:54,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:15:54,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:15:54,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:15:54,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:15:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:15:54,116 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 23:15:54,117 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-19 23:15:54,146 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 21 states and 27 transitions. Complement of second has 6 states. [2019-11-19 23:15:54,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 23:15:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:15:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 23:15:54,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-19 23:15:54,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:54,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-19 23:15:54,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:54,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-19 23:15:54,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:15:54,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2019-11-19 23:15:54,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:15:54,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-19 23:15:54,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:15:54,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:15:54,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:15:54,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:15:54,155 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:15:54,155 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:15:54,155 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:15:54,155 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 23:15:54,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:15:54,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:15:54,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:15:54,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:15:54 BoogieIcfgContainer [2019-11-19 23:15:54,163 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:15:54,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:15:54,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:15:54,166 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:15:54,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:15:48" (3/4) ... [2019-11-19 23:15:54,170 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:15:54,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:15:54,172 INFO L168 Benchmark]: Toolchain (without parser) took 6176.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:15:54,173 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:15:54,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:15:54,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:15:54,181 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 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. [2019-11-19 23:15:54,182 INFO L168 Benchmark]: RCFGBuilder took 357.42 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:15:54,183 INFO L168 Benchmark]: BuchiAutomizer took 5214.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:15:54,183 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:15:54,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 519.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.34 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 23.77 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 357.42 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5214.65 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.16 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 59 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital130 mio100 ax113 hnf99 lsp79 ukn82 mio100 lsp56 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...