./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/res2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/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 564056b784b90a3931792cc012447154b9653601 ................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:55:03,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:55:03,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:55:03,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:55:03,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:55:03,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:55:03,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:55:03,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:55:03,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:55:03,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:55:03,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:55:03,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:55:03,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:55:03,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:55:03,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:55:03,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:55:03,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:55:03,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:55:03,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:55:03,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:55:03,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:55:03,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:55:03,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:55:03,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:55:03,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:55:03,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:55:03,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:55:03,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:55:03,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:55:03,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:55:03,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:55:03,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:55:03,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:55:03,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:55:03,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:55:03,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:55:03,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:55:03,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:55:03,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:55:03,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:55:03,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:55:03,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:55:03,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:55:03,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:55:03,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:55:03,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:55:03,193 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:55:03,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:55:03,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:55:03,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:55:03,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:55:03,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:55:03,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:55:03,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:55:03,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:55:03,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:55:03,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:55:03,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:55:03,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:55:03,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:55:03,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:55:03,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:55:03,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:55:03,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:55:03,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:55:03,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:55:03,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:55:03,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:55:03,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:55:03,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:55:03,199 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_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/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 -> 564056b784b90a3931792cc012447154b9653601 [2019-11-19 23:55:03,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:55:03,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:55:03,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:55:03,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:55:03,390 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:55:03,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/../../sv-benchmarks/c/array-fpi/res2f.c [2019-11-19 23:55:03,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/data/235fde205/08ed2cf3fab74260b9e31f72d642b4d9/FLAG9140c579d [2019-11-19 23:55:03,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:55:03,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/sv-benchmarks/c/array-fpi/res2f.c [2019-11-19 23:55:03,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/data/235fde205/08ed2cf3fab74260b9e31f72d642b4d9/FLAG9140c579d [2019-11-19 23:55:04,275 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/data/235fde205/08ed2cf3fab74260b9e31f72d642b4d9 [2019-11-19 23:55:04,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:55:04,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:55:04,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:55:04,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:55:04,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:55:04,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44224560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04, skipping insertion in model container [2019-11-19 23:55:04,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:55:04,311 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:55:04,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:55:04,546 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:55:04,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:55:04,582 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:55:04,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04 WrapperNode [2019-11-19 23:55:04,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:55:04,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:55:04,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:55:04,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:55:04,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:55:04,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:55:04,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:55:04,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:55:04,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... [2019-11-19 23:55:04,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:55:04,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:55:04,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:55:04,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:55:04,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/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 [2019-11-19 23:55:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:55:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:55:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 23:55:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:55:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:55:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:55:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:55:05,066 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:55:05,066 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-19 23:55:05,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:55:05 BoogieIcfgContainer [2019-11-19 23:55:05,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:55:05,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:55:05,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:55:05,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:55:05,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:55:04" (1/3) ... [2019-11-19 23:55:05,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4661a221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:55:05, skipping insertion in model container [2019-11-19 23:55:05,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:55:04" (2/3) ... [2019-11-19 23:55:05,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4661a221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:55:05, skipping insertion in model container [2019-11-19 23:55:05,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:55:05" (3/3) ... [2019-11-19 23:55:05,076 INFO L109 eAbstractionObserver]: Analyzing ICFG res2f.c [2019-11-19 23:55:05,085 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:55:05,092 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:55:05,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:55:05,126 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:55:05,126 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:55:05,126 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:55:05,126 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:55:05,126 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:55:05,126 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:55:05,127 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:55:05,127 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:55:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-19 23:55:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:55:05,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:55:05,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:55:05,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:55:05,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:55:05,155 INFO L82 PathProgramCache]: Analyzing trace with hash -81924726, now seen corresponding path program 1 times [2019-11-19 23:55:05,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:55:05,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864715298] [2019-11-19 23:55:05,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:55:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:05,299 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 23:55:05,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864715298] [2019-11-19 23:55:05,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:55:05,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:55:05,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921712678] [2019-11-19 23:55:05,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:55:05,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:55:05,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:55:05,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:55:05,320 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-19 23:55:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:55:05,339 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2019-11-19 23:55:05,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:55:05,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-11-19 23:55:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:55:05,350 INFO L225 Difference]: With dead ends: 51 [2019-11-19 23:55:05,350 INFO L226 Difference]: Without dead ends: 24 [2019-11-19 23:55:05,354 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:55:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-19 23:55:05,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-19 23:55:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-19 23:55:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2019-11-19 23:55:05,393 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 17 [2019-11-19 23:55:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:55:05,394 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2019-11-19 23:55:05,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:55:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-11-19 23:55:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:55:05,395 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:55:05,395 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:55:05,396 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:55:05,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:55:05,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2118036586, now seen corresponding path program 1 times [2019-11-19 23:55:05,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:55:05,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895885098] [2019-11-19 23:55:05,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:55:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:05,597 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 23:55:05,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895885098] [2019-11-19 23:55:05,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:55:05,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:55:05,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980274184] [2019-11-19 23:55:05,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:55:05,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:55:05,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:55:05,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:55:05,607 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 4 states. [2019-11-19 23:55:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:55:05,724 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2019-11-19 23:55:05,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:55:05,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-19 23:55:05,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:55:05,725 INFO L225 Difference]: With dead ends: 39 [2019-11-19 23:55:05,725 INFO L226 Difference]: Without dead ends: 35 [2019-11-19 23:55:05,726 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:55:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-19 23:55:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-19 23:55:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-19 23:55:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2019-11-19 23:55:05,733 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 17 [2019-11-19 23:55:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:55:05,733 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-19 23:55:05,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:55:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-11-19 23:55:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:55:05,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:55:05,734 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:55:05,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:55:05,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:55:05,735 INFO L82 PathProgramCache]: Analyzing trace with hash 434573880, now seen corresponding path program 1 times [2019-11-19 23:55:05,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:55:05,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764737329] [2019-11-19 23:55:05,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:55:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:55:05,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764737329] [2019-11-19 23:55:05,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:55:05,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:55:05,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243114750] [2019-11-19 23:55:05,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:55:05,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:55:05,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:55:05,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:55:05,786 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand 3 states. [2019-11-19 23:55:05,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:55:05,946 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2019-11-19 23:55:05,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:55:05,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 23:55:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:55:05,948 INFO L225 Difference]: With dead ends: 67 [2019-11-19 23:55:05,948 INFO L226 Difference]: Without dead ends: 37 [2019-11-19 23:55:05,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:55:05,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-19 23:55:05,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2019-11-19 23:55:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-19 23:55:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2019-11-19 23:55:05,954 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 19 [2019-11-19 23:55:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:55:05,955 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2019-11-19 23:55:05,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:55:05,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2019-11-19 23:55:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 23:55:05,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:55:05,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:55:05,956 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:55:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:55:05,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1237481242, now seen corresponding path program 1 times [2019-11-19 23:55:05,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:55:05,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372945133] [2019-11-19 23:55:05,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:55:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:55:06,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372945133] [2019-11-19 23:55:06,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:55:06,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:55:06,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3821658] [2019-11-19 23:55:06,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:55:06,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:55:06,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:55:06,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:55:06,005 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand 4 states. [2019-11-19 23:55:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:55:06,095 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2019-11-19 23:55:06,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:55:06,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-11-19 23:55:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:55:06,097 INFO L225 Difference]: With dead ends: 59 [2019-11-19 23:55:06,097 INFO L226 Difference]: Without dead ends: 36 [2019-11-19 23:55:06,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:55:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-19 23:55:06,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-11-19 23:55:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 23:55:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-11-19 23:55:06,103 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 21 [2019-11-19 23:55:06,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:55:06,103 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-11-19 23:55:06,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:55:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-11-19 23:55:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 23:55:06,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:55:06,105 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:55:06,105 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:55:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:55:06,105 INFO L82 PathProgramCache]: Analyzing trace with hash 590714914, now seen corresponding path program 1 times [2019-11-19 23:55:06,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:55:06,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404990549] [2019-11-19 23:55:06,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:55:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:55:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:55:06,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:55:06,259 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 23:55:06,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:55:06 BoogieIcfgContainer [2019-11-19 23:55:06,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:55:06,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:55:06,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:55:06,302 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:55:06,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:55:05" (3/4) ... [2019-11-19 23:55:06,306 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 23:55:06,370 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e3acdb18-4d72-42f0-b901-c37f8cdd4af3/bin/uautomizer/witness.graphml [2019-11-19 23:55:06,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:55:06,372 INFO L168 Benchmark]: Toolchain (without parser) took 2092.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -84.3 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:55:06,372 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:55:06,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:55:06,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.20 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 23:55:06,374 INFO L168 Benchmark]: Boogie Preprocessor took 28.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:55:06,374 INFO L168 Benchmark]: RCFGBuilder took 402.83 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:55:06,375 INFO L168 Benchmark]: TraceAbstraction took 1233.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:55:06,375 INFO L168 Benchmark]: Witness Printer took 68.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:55:06,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.20 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 28.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 402.83 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1233.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L25] int *b = malloc(sizeof(int)*N); [L26] int *c = malloc(sizeof(int)*N); [L28] sum[0] = 1 [L29] i=0 VAL [N=1] [L29] COND TRUE i