./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssinaf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ssinaf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/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 ad20349efcd64c79eb05ad4ed5ee62d9ecb643df ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:55:33,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:33,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:33,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:33,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:33,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:33,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:33,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:33,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:33,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:33,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:33,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:33,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:33,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:33,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:33,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:33,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:33,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:33,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:33,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:33,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:33,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:33,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:33,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:33,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:33,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:33,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:33,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:33,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:33,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:33,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:33,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:33,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:33,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:33,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:33,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:33,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:33,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:33,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:33,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:33,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:33,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:55:33,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:33,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:33,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:33,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:33,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:33,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:33,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:33,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:33,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:33,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:33,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:33,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:33,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:33,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:33,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:33,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:33,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:33,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:33,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:33,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:33,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:33,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:55:33,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:33,133 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_b11193e6-31ea-4dd9-9078-73d59456d884/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 -> ad20349efcd64c79eb05ad4ed5ee62d9ecb643df [2019-11-25 08:55:33,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:33,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:33,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:33,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:33,291 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:33,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/../../sv-benchmarks/c/array-fpi/ssinaf.c [2019-11-25 08:55:33,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/data/9ded8a00e/adc9ca0dba3c46caa9471a17e799b4e4/FLAGc47b58e18 [2019-11-25 08:55:33,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:33,782 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/sv-benchmarks/c/array-fpi/ssinaf.c [2019-11-25 08:55:33,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/data/9ded8a00e/adc9ca0dba3c46caa9471a17e799b4e4/FLAGc47b58e18 [2019-11-25 08:55:34,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/data/9ded8a00e/adc9ca0dba3c46caa9471a17e799b4e4 [2019-11-25 08:55:34,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:34,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:34,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:34,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:34,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:34,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aaeda23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34, skipping insertion in model container [2019-11-25 08:55:34,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:34,184 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:34,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:34,434 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:34,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:34,477 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:34,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34 WrapperNode [2019-11-25 08:55:34,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:34,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:34,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:34,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:34,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:34,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:34,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:34,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:34,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... [2019-11-25 08:55:34,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:34,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:34,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:34,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:34,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/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 [2019-11-25 08:55:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:55:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:55:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:55:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:34,859 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:34,859 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-25 08:55:34,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34 BoogieIcfgContainer [2019-11-25 08:55:34,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:34,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:34,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:34,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:34,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:34" (1/3) ... [2019-11-25 08:55:34,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384aaf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:34, skipping insertion in model container [2019-11-25 08:55:34,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:34" (2/3) ... [2019-11-25 08:55:34,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384aaf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:34, skipping insertion in model container [2019-11-25 08:55:34,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34" (3/3) ... [2019-11-25 08:55:34,867 INFO L109 eAbstractionObserver]: Analyzing ICFG ssinaf.c [2019-11-25 08:55:34,876 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:34,882 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:55:34,893 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:55:34,926 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:34,940 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:55:34,942 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:34,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:34,942 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:34,942 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:34,942 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:34,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-25 08:55:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:55:34,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:34,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:34,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1942303561, now seen corresponding path program 1 times [2019-11-25 08:55:34,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:34,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359173771] [2019-11-25 08:55:34,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:35,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359173771] [2019-11-25 08:55:35,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:35,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:55:35,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254177172] [2019-11-25 08:55:35,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:55:35,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:35,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:55:35,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:55:35,119 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-11-25 08:55:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:35,133 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2019-11-25 08:55:35,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:55:35,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-25 08:55:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:35,141 INFO L225 Difference]: With dead ends: 51 [2019-11-25 08:55:35,142 INFO L226 Difference]: Without dead ends: 24 [2019-11-25 08:55:35,144 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 [2019-11-25 08:55:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-25 08:55:35,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-25 08:55:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 08:55:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2019-11-25 08:55:35,171 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 16 [2019-11-25 08:55:35,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:35,171 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2019-11-25 08:55:35,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:55:35,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-11-25 08:55:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:55:35,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:35,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:35,173 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:35,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:35,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2009888043, now seen corresponding path program 1 times [2019-11-25 08:55:35,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:35,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258599696] [2019-11-25 08:55:35,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:35,191 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:55:35,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268482953] [2019-11-25 08:55:35,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/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 [2019-11-25 08:55:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:35,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:55:35,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:35,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258599696] [2019-11-25 08:55:35,312 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:55:35,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268482953] [2019-11-25 08:55:35,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:35,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:55:35,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431182155] [2019-11-25 08:55:35,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:55:35,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:35,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:35,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:35,316 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 3 states. [2019-11-25 08:55:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:35,391 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2019-11-25 08:55:35,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:35,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-25 08:55:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:35,393 INFO L225 Difference]: With dead ends: 45 [2019-11-25 08:55:35,393 INFO L226 Difference]: Without dead ends: 26 [2019-11-25 08:55:35,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-25 08:55:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-11-25 08:55:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:55:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-11-25 08:55:35,399 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 16 [2019-11-25 08:55:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:35,400 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-25 08:55:35,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:55:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-11-25 08:55:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:55:35,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:35,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:35,603 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:35,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash 602672009, now seen corresponding path program 1 times [2019-11-25 08:55:35,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:35,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350617633] [2019-11-25 08:55:35,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:35,644 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:55:35,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308828859] [2019-11-25 08:55:35,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/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 [2019-11-25 08:55:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:35,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:55:35,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:55:35,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350617633] [2019-11-25 08:55:35,757 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-25 08:55:35,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308828859] [2019-11-25 08:55:35,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:35,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:35,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023523494] [2019-11-25 08:55:35,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:55:35,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:35,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:35,759 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 4 states. [2019-11-25 08:55:35,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:35,865 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2019-11-25 08:55:35,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:55:35,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-11-25 08:55:35,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:35,866 INFO L225 Difference]: With dead ends: 56 [2019-11-25 08:55:35,866 INFO L226 Difference]: Without dead ends: 40 [2019-11-25 08:55:35,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-25 08:55:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2019-11-25 08:55:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 08:55:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-11-25 08:55:35,872 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 18 [2019-11-25 08:55:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:35,873 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-25 08:55:35,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:55:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-11-25 08:55:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:55:35,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:35,874 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] [2019-11-25 08:55:36,083 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:36,083 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:36,083 INFO L82 PathProgramCache]: Analyzing trace with hash 126601089, now seen corresponding path program 1 times [2019-11-25 08:55:36,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:36,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023589749] [2019-11-25 08:55:36,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:36,121 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-25 08:55:36,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85131271] [2019-11-25 08:55:36,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/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 [2019-11-25 08:55:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:36,229 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:36,229 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:55:36,437 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:36,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:55:36 BoogieIcfgContainer [2019-11-25 08:55:36,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:55:36,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:36,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:36,470 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:36,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34" (3/4) ... [2019-11-25 08:55:36,472 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:55:36,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b11193e6-31ea-4dd9-9078-73d59456d884/bin/uautomizer/witness.graphml [2019-11-25 08:55:36,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:36,531 INFO L168 Benchmark]: Toolchain (without parser) took 2386.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -72.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,532 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:36,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,533 INFO L168 Benchmark]: Boogie Preprocessor took 26.51 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,534 INFO L168 Benchmark]: RCFGBuilder took 322.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,534 INFO L168 Benchmark]: TraceAbstraction took 1607.94 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,535 INFO L168 Benchmark]: Witness Printer took 59.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,537 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.51 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1607.94 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: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. 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] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i