./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss2f.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_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 64cf37aa63047e3fef81006f69e9718542642f9f ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2019-11-20 10:30:41,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:30:41,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:30:41,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:30:41,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:30:41,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:30:41,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:30:41,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:30:41,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:30:41,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:30:41,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:30:41,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:30:41,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:30:41,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:30:41,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:30:41,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:30:41,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:30:41,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:30:41,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:30:41,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:30:41,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:30:41,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:30:41,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:30:41,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:30:41,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:30:41,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:30:41,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:30:41,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:30:41,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:30:41,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:30:41,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:30:41,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:30:41,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:30:41,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:30:41,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:30:41,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:30:41,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:30:41,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:30:41,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:30:41,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:30:41,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:30:41,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:30:41,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:30:41,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:30:41,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:30:41,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:30:41,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:30:41,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:30:41,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:30:41,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:30:41,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:30:41,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:30:41,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:30:41,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:30:41,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:30:41,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:30:41,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:30:41,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:30:41,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:30:41,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:30:41,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:30:41,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:30:41,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:30:41,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:30:41,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:30:41,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:30:41,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:30:41,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:30:41,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:30:41,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:30:41,211 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_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 -> 64cf37aa63047e3fef81006f69e9718542642f9f [2019-11-20 10:30:41,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:30:41,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:30:41,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:30:41,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:30:41,390 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:30:41,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/../../sv-benchmarks/c/array-fpi/ss2f.c [2019-11-20 10:30:41,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/data/eab65444c/d24884c130c246278b44b86e89c1971b/FLAGa6d68ad6f [2019-11-20 10:30:41,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:30:41,831 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/sv-benchmarks/c/array-fpi/ss2f.c [2019-11-20 10:30:41,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/data/eab65444c/d24884c130c246278b44b86e89c1971b/FLAGa6d68ad6f [2019-11-20 10:30:42,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/data/eab65444c/d24884c130c246278b44b86e89c1971b [2019-11-20 10:30:42,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:30:42,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:30:42,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:30:42,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:30:42,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:30:42,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da7bad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42, skipping insertion in model container [2019-11-20 10:30:42,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:30:42,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:30:42,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:30:42,463 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:30:42,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:30:42,493 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:30:42,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42 WrapperNode [2019-11-20 10:30:42,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:30:42,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:30:42,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:30:42,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:30:42,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:30:42,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:30:42,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:30:42,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:30:42,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... [2019-11-20 10:30:42,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:30:42,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:30:42,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:30:42,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:30:42,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 [2019-11-20 10:30:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:30:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:30:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:30:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:30:42,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:30:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:30:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:30:42,882 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:30:42,882 INFO L285 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-20 10:30:42,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:42 BoogieIcfgContainer [2019-11-20 10:30:42,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:30:42,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:30:42,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:30:42,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:30:42,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:42" (1/3) ... [2019-11-20 10:30:42,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ead1d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:42, skipping insertion in model container [2019-11-20 10:30:42,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:42" (2/3) ... [2019-11-20 10:30:42,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ead1d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:42, skipping insertion in model container [2019-11-20 10:30:42,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:42" (3/3) ... [2019-11-20 10:30:42,890 INFO L109 eAbstractionObserver]: Analyzing ICFG ss2f.c [2019-11-20 10:30:42,913 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:30:42,919 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:30:42,928 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:30:42,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:30:42,947 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:30:42,947 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:30:42,947 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:30:42,947 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:30:42,947 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:30:42,948 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:30:42,948 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:30:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-11-20 10:30:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:30:42,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:42,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:42,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:42,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:42,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1755305885, now seen corresponding path program 1 times [2019-11-20 10:30:42,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:42,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592720418] [2019-11-20 10:30:42,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:43,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592720418] [2019-11-20 10:30:43,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:43,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:30:43,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885636681] [2019-11-20 10:30:43,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:30:43,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:43,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:30:43,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:30:43,106 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-11-20 10:30:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:43,123 INFO L93 Difference]: Finished difference Result 57 states and 84 transitions. [2019-11-20 10:30:43,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:30:43,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 10:30:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:43,133 INFO L225 Difference]: With dead ends: 57 [2019-11-20 10:30:43,133 INFO L226 Difference]: Without dead ends: 27 [2019-11-20 10:30:43,136 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 [2019-11-20 10:30:43,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-20 10:30:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-20 10:30:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 10:30:43,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2019-11-20 10:30:43,167 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 18 [2019-11-20 10:30:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:43,168 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2019-11-20 10:30:43,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:30:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2019-11-20 10:30:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:30:43,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:43,169 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:43,169 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:43,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:43,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1234619631, now seen corresponding path program 1 times [2019-11-20 10:30:43,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:43,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626523114] [2019-11-20 10:30:43,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:43,188 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 10:30:43,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330055050] [2019-11-20 10:30:43,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 [2019-11-20 10:30:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:43,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 10:30:43,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:30:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:43,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626523114] [2019-11-20 10:30:43,303 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 10:30:43,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330055050] [2019-11-20 10:30:43,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:43,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:30:43,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253666929] [2019-11-20 10:30:43,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:30:43,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:43,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:30:43,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:30:43,306 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand 3 states. [2019-11-20 10:30:43,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:43,369 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-20 10:30:43,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:30:43,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-20 10:30:43,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:43,370 INFO L225 Difference]: With dead ends: 51 [2019-11-20 10:30:43,370 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 10:30:43,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:30:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 10:30:43,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-11-20 10:30:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 10:30:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-11-20 10:30:43,377 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 18 [2019-11-20 10:30:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:43,377 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-11-20 10:30:43,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:30:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-11-20 10:30:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:30:43,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:43,378 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] [2019-11-20 10:30:43,579 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:30:43,579 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:43,580 INFO L82 PathProgramCache]: Analyzing trace with hash -654530065, now seen corresponding path program 1 times [2019-11-20 10:30:43,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:43,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934788042] [2019-11-20 10:30:43,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:43,601 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 10:30:43,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386734809] [2019-11-20 10:30:43,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 [2019-11-20 10:30:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:43,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 10:30:43,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:30:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:30:43,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934788042] [2019-11-20 10:30:43,673 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 10:30:43,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386734809] [2019-11-20 10:30:43,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:43,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:30:43,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559353719] [2019-11-20 10:30:43,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:30:43,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:43,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:30:43,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:30:43,675 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 4 states. [2019-11-20 10:30:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:43,777 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2019-11-20 10:30:43,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:30:43,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-20 10:30:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:43,779 INFO L225 Difference]: With dead ends: 64 [2019-11-20 10:30:43,779 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 10:30:43,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:30:43,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 10:30:43,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 33. [2019-11-20 10:30:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 10:30:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2019-11-20 10:30:43,785 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 20 [2019-11-20 10:30:43,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:43,786 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-11-20 10:30:43,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:30:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-11-20 10:30:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 10:30:43,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:43,787 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, 1] [2019-11-20 10:30:43,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:30:43,988 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:43,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:43,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1132298245, now seen corresponding path program 1 times [2019-11-20 10:30:43,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:43,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677213820] [2019-11-20 10:30:43,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:44,016 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 10:30:44,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452338447] [2019-11-20 10:30:44,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/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 [2019-11-20 10:30:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:30:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:30:44,130 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:30:44,131 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:30:44,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:30:44,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:44 BoogieIcfgContainer [2019-11-20 10:30:44,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:30:44,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:30:44,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:30:44,377 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:30:44,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:42" (3/4) ... [2019-11-20 10:30:44,379 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:30:44,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_48c52cbe-0d3a-42c1-b85d-2c76e9712f2b/bin/uautomizer/witness.graphml [2019-11-20 10:30:44,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:30:44,435 INFO L168 Benchmark]: Toolchain (without parser) took 2222.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.1 MB in the beginning and 971.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:44,435 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:30:44,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:44,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:30:44,437 INFO L168 Benchmark]: Boogie Preprocessor took 27.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:30:44,437 INFO L168 Benchmark]: RCFGBuilder took 324.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:44,438 INFO L168 Benchmark]: TraceAbstraction took 1492.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:44,438 INFO L168 Benchmark]: Witness Printer took 56.30 ms. Allocated memory is still 1.1 GB. Free memory was 978.3 MB in the beginning and 971.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:44,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 281.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1492.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.30 ms. Allocated memory is still 1.1 GB. Free memory was 978.3 MB in the beginning and 971.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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