./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/matrix-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee4e756165c58ac9fb858974dbb081c5816c4c28 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:16:37,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:16:37,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:16:37,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:16:37,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:16:37,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:16:37,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:16:37,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:16:37,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:16:37,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:16:37,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:16:37,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:16:37,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:16:37,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:16:37,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:16:37,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:16:37,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:16:37,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:16:37,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:16:37,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:16:37,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:16:37,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:16:37,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:16:37,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:16:37,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:16:37,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:16:37,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:16:37,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:16:37,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:16:37,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:16:37,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:16:37,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:16:37,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:16:37,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:16:37,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:16:37,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:16:37,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:16:37,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:16:37,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:16:37,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:16:37,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:16:37,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:16:37,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:16:37,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:16:37,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:16:37,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:16:37,899 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:16:37,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:16:37,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:16:37,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:16:37,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:16:37,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:16:37,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:16:37,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:16:37,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:16:37,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:16:37,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:16:37,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:16:37,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:16:37,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:16:37,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:16:37,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:16:37,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:16:37,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:16:37,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:16:37,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:16:37,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee4e756165c58ac9fb858974dbb081c5816c4c28 [2019-12-07 11:16:38,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:16:38,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:16:38,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:16:38,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:16:38,020 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:16:38,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/../../sv-benchmarks/c/loops/matrix-1.c [2019-12-07 11:16:38,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/data/f8c2de797/7e9fbd12901a49b2b88966d14bbdd29f/FLAGcd1596665 [2019-12-07 11:16:38,455 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:16:38,456 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/sv-benchmarks/c/loops/matrix-1.c [2019-12-07 11:16:38,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/data/f8c2de797/7e9fbd12901a49b2b88966d14bbdd29f/FLAGcd1596665 [2019-12-07 11:16:38,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/data/f8c2de797/7e9fbd12901a49b2b88966d14bbdd29f [2019-12-07 11:16:38,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:16:38,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:16:38,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:16:38,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:16:38,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:16:38,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160492d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38, skipping insertion in model container [2019-12-07 11:16:38,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:16:38,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:16:38,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:16:38,628 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:16:38,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:16:38,654 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:16:38,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38 WrapperNode [2019-12-07 11:16:38,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:16:38,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:16:38,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:16:38,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:16:38,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:16:38,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:16:38,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:16:38,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:16:38,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... [2019-12-07 11:16:38,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:16:38,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:16:38,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:16:38,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:16:38,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:16:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:16:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:16:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:16:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:16:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:16:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:16:38,866 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:16:38,866 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 11:16:38,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:16:38 BoogieIcfgContainer [2019-12-07 11:16:38,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:16:38,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:16:38,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:16:38,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:16:38,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:16:38" (1/3) ... [2019-12-07 11:16:38,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb21383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:16:38, skipping insertion in model container [2019-12-07 11:16:38,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:16:38" (2/3) ... [2019-12-07 11:16:38,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb21383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:16:38, skipping insertion in model container [2019-12-07 11:16:38,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:16:38" (3/3) ... [2019-12-07 11:16:38,872 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2019-12-07 11:16:38,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:16:38,882 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:16:38,889 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:16:38,903 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:16:38,903 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:16:38,903 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:16:38,903 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:16:38,903 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:16:38,903 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:16:38,903 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:16:38,903 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:16:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-12-07 11:16:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 11:16:38,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:38,917 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:16:38,917 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:38,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:38,921 INFO L82 PathProgramCache]: Analyzing trace with hash 889621918, now seen corresponding path program 1 times [2019-12-07 11:16:38,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:16:38,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885854174] [2019-12-07 11:16:38,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:16:38,981 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 11:16:38,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004354510] [2019-12-07 11:16:38,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:16:39,017 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:16:39,020 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:16:39,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885854174] [2019-12-07 11:16:39,044 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 11:16:39,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004354510] [2019-12-07 11:16:39,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:16:39,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:16:39,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952262763] [2019-12-07 11:16:39,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:16:39,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:16:39,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:16:39,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:16:39,058 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-12-07 11:16:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:39,088 INFO L93 Difference]: Finished difference Result 33 states and 48 transitions. [2019-12-07 11:16:39,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:16:39,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 11:16:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:39,095 INFO L225 Difference]: With dead ends: 33 [2019-12-07 11:16:39,095 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 11:16:39,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:16:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 11:16:39,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2019-12-07 11:16:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 11:16:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-12-07 11:16:39,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6 [2019-12-07 11:16:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:39,119 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-12-07 11:16:39,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:16:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-07 11:16:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:16:39,119 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:39,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:16:39,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:39,321 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:39,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:39,322 INFO L82 PathProgramCache]: Analyzing trace with hash -235638193, now seen corresponding path program 1 times [2019-12-07 11:16:39,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:16:39,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416737966] [2019-12-07 11:16:39,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:16:39,333 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 11:16:39,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964288681] [2019-12-07 11:16:39,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:16:39,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 11:16:39,396 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:16:39,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416737966] [2019-12-07 11:16:39,419 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 11:16:39,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964288681] [2019-12-07 11:16:39,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:16:39,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:16:39,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843042868] [2019-12-07 11:16:39,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:16:39,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:16:39,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:16:39,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:16:39,421 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 4 states. [2019-12-07 11:16:39,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:39,462 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2019-12-07 11:16:39,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:16:39,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 11:16:39,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:39,463 INFO L225 Difference]: With dead ends: 28 [2019-12-07 11:16:39,464 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 11:16:39,464 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:16:39,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 11:16:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2019-12-07 11:16:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 11:16:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-12-07 11:16:39,467 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2019-12-07 11:16:39,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:39,467 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-12-07 11:16:39,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:16:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-07 11:16:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 11:16:39,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:39,468 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:16:39,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:39,669 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:39,669 INFO L82 PathProgramCache]: Analyzing trace with hash -589728809, now seen corresponding path program 1 times [2019-12-07 11:16:39,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:16:39,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908635392] [2019-12-07 11:16:39,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:16:39,678 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 11:16:39,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289332884] [2019-12-07 11:16:39,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:16:39,744 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-07 11:16:39,746 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:39,839 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-07 11:16:39,839 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:16:40,027 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 27 [2019-12-07 11:16:40,028 INFO L614 ElimStorePlain]: treesize reduction 352, result has 9.3 percent of original size [2019-12-07 11:16:40,038 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-12-07 11:16:40,038 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:16:40,047 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee |v_#memory_int_5| vanished before elimination [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2019-12-07 11:16:40,047 INFO L502 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2019-12-07 11:16:40,048 INFO L534 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:16:40,049 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 16 variables, input treesize:441, output treesize:10 [2019-12-07 11:16:40,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:16:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:16:40,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908635392] [2019-12-07 11:16:40,145 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 11:16:40,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289332884] [2019-12-07 11:16:40,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-12-07 11:16:40,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-12-07 11:16:40,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622735260] [2019-12-07 11:16:40,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:16:40,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:16:40,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:16:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:16:40,147 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 9 states. [2019-12-07 11:16:40,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:40,280 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-12-07 11:16:40,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:16:40,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-12-07 11:16:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:40,281 INFO L225 Difference]: With dead ends: 36 [2019-12-07 11:16:40,281 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 11:16:40,282 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:16:40,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 11:16:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-12-07 11:16:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 11:16:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-12-07 11:16:40,285 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2019-12-07 11:16:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:40,285 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-12-07 11:16:40,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:16:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-12-07 11:16:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 11:16:40,285 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:40,286 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:16:40,486 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:40,487 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:40,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:40,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1399075435, now seen corresponding path program 1 times [2019-12-07 11:16:40,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:16:40,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203444129] [2019-12-07 11:16:40,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:16:40,494 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 11:16:40,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191965943] [2019-12-07 11:16:40,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:16:40,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-07 11:16:40,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:40,620 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-07 11:16:40,620 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:16:41,264 WARN L192 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2019-12-07 11:16:41,265 INFO L614 ElimStorePlain]: treesize reduction 503, result has 10.3 percent of original size [2019-12-07 11:16:41,265 INFO L502 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2019-12-07 11:16:41,266 INFO L502 ElimStorePlain]: Eliminatee |v_#memory_int_6| vanished before elimination [2019-12-07 11:16:41,266 INFO L502 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2019-12-07 11:16:41,266 INFO L502 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2019-12-07 11:16:41,267 INFO L502 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2019-12-07 11:16:41,270 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2019-12-07 11:16:41,271 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:16:41,281 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:16:41,281 INFO L502 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2019-12-07 11:16:41,281 INFO L534 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:16:41,281 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 16 variables, input treesize:637, output treesize:32 [2019-12-07 11:16:41,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:16:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:16:41,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203444129] [2019-12-07 11:16:41,350 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 11:16:41,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191965943] [2019-12-07 11:16:41,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-12-07 11:16:41,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-12-07 11:16:41,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747455321] [2019-12-07 11:16:41,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 11:16:41,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:16:41,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 11:16:41,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:16:41,352 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 10 states. [2019-12-07 11:16:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:41,492 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-12-07 11:16:41,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:16:41,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-12-07 11:16:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:41,493 INFO L225 Difference]: With dead ends: 37 [2019-12-07 11:16:41,493 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 11:16:41,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2019-12-07 11:16:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 11:16:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2019-12-07 11:16:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 11:16:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-12-07 11:16:41,496 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2019-12-07 11:16:41,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:41,497 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-12-07 11:16:41,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 11:16:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-12-07 11:16:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:16:41,497 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:41,497 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 11:16:41,698 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:41,699 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash 2141915984, now seen corresponding path program 2 times [2019-12-07 11:16:41,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:16:41,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207896704] [2019-12-07 11:16:41,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:16:41,706 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 11:16:41,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957658847] [2019-12-07 11:16:41,707 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:41,773 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 11:16:41,774 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 11:16:41,775 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 11:16:41,777 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:16:41,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207896704] [2019-12-07 11:16:41,797 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 11:16:41,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957658847] [2019-12-07 11:16:41,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-12-07 11:16:41,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-12-07 11:16:41,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081659041] [2019-12-07 11:16:41,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:16:41,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:16:41,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:16:41,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:16:41,798 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 4 states. [2019-12-07 11:16:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:41,810 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2019-12-07 11:16:41,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:16:41,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-12-07 11:16:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:41,811 INFO L225 Difference]: With dead ends: 21 [2019-12-07 11:16:41,811 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:16:41,812 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:16:41,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:16:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:16:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:16:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:16:41,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 11:16:41,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:41,812 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:16:41,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:16:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:16:41,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:16:42,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:16:42,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:16:42,125 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:16:42,125 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 26) no Hoare annotation was computed. [2019-12-07 11:16:42,125 INFO L242 CegarLoopResult]: At program point L19-3(lines 19 26) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~N_COL~0))) (or (and (= 1 ULTIMATE.start_main_~N_LIN~0) .cse0 (= ULTIMATE.start_main_~j~0 0)) (and (<= (select (select |#memory_int| |ULTIMATE.start_main_~#matriz~0.base|) |ULTIMATE.start_main_~#matriz~0.offset|) ULTIMATE.start_main_~maior~0) .cse0 (= ULTIMATE.start_main_~j~0 1)))) [2019-12-07 11:16:42,125 INFO L246 CegarLoopResult]: For program point L19-4(lines 19 26) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L249 CegarLoopResult]: At program point L30(lines 11 31) the Hoare annotation is: true [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point L24(lines 24 25) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point L20-2(lines 20 26) no Hoare annotation was computed. [2019-12-07 11:16:42,126 INFO L242 CegarLoopResult]: At program point L20-3(lines 20 26) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~N_LIN~0)) (.cse1 (= 1 ULTIMATE.start_main_~N_COL~0)) (.cse2 (= ULTIMATE.start_main_~j~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) .cse2) (and .cse0 .cse1 (= ULTIMATE.start_main_~k~0 1) (<= (select (select |#memory_int| |ULTIMATE.start_main_~#matriz~0.base|) (+ (* (mod ULTIMATE.start_main_~j~0 4294967296) (* (mod ULTIMATE.start_main_~N_LIN~0 4294967296) 4)) |ULTIMATE.start_main_~#matriz~0.offset|)) ULTIMATE.start_main_~maior~0) .cse2))) [2019-12-07 11:16:42,126 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-12-07 11:16:42,127 INFO L249 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-12-07 11:16:42,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:16:42 BoogieIcfgContainer [2019-12-07 11:16:42,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:16:42,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:16:42,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:16:42,141 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:16:42,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:16:38" (3/4) ... [2019-12-07 11:16:42,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:16:42,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 11:16:42,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 11:16:42,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:16:42,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b6aaf454-0acc-4cb4-89b6-36d5b9cb05f3/bin/uautomizer/witness.graphml [2019-12-07 11:16:42,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:16:42,182 INFO L168 Benchmark]: Toolchain (without parser) took 3710.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.1 MB in the beginning and 850.7 MB in the end (delta: 87.3 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:16:42,183 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:16:42,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:16:42,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:16:42,183 INFO L168 Benchmark]: Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:16:42,184 INFO L168 Benchmark]: RCFGBuilder took 170.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:16:42,184 INFO L168 Benchmark]: TraceAbstraction took 3272.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 850.7 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:16:42,184 INFO L168 Benchmark]: Witness Printer took 40.96 ms. Allocated memory is still 1.1 GB. Free memory is still 850.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:16:42,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 170.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3272.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 850.7 MB in the end (delta: 224.5 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. * Witness Printer took 40.96 ms. Allocated memory is still 1.1 GB. Free memory is still 850.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2019-12-07 11:16:42,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((1 == N_LIN && 1 == N_COL) && j == 0) || ((unknown-#memory_int-unknown[matriz][matriz] <= maior && 1 == N_COL) && j == 1) - InvariantResult [Line: 20]: Loop Invariant [2019-12-07 11:16:42,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:16:42,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((1 == N_LIN && 1 == N_COL) && k == 0) && j == 0) || ((((1 == N_LIN && 1 == N_COL) && k == 1) && unknown-#memory_int-unknown[matriz][j % 4294967296 * (N_LIN % 4294967296 * 4) + matriz] <= maior) && j == 0) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 38 SDtfs, 45 SDslu, 82 SDs, 0 SdLazy, 208 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 10 NumberOfFragments, 71 HoareAnnotationTreeSize, 4 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 41 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 4344 SizeOfPredicates, 32 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 12/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...