./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s32iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s32iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/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 0ba44c6ca17231ecfd94126411c3d1f5cb1fbe71 ...................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 13:40:33,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:40:33,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:40:33,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:40:33,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:40:33,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:40:33,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:40:33,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:40:33,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:40:33,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:40:33,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:40:33,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:40:33,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:40:33,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:40:33,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:40:33,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:40:33,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:40:33,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:40:33,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:40:33,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:40:33,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:40:33,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:40:33,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:40:33,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:40:33,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:40:33,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:40:33,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:40:33,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:40:33,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:40:33,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:40:33,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:40:33,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:40:33,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:40:33,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:40:33,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:40:33,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:40:33,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:40:33,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:40:33,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:40:33,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:40:33,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:40:33,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:40:33,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:40:33,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:40:33,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:40:33,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:40:33,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:40:33,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:40:33,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:40:33,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:40:33,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:40:33,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:40:33,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:40:33,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:40:33,773 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_34218b59-76fe-46c5-b73e-d5da14d9adab/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 -> 0ba44c6ca17231ecfd94126411c3d1f5cb1fbe71 [2019-12-07 13:40:33,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:40:33,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:40:33,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:40:33,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:40:33,901 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:40:33,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/../../sv-benchmarks/c/array-fpi/s32iff.c [2019-12-07 13:40:33,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/data/6e02f1985/b7a0fa7df5374a86b7f161d2d48ca296/FLAGeeeb1e20d [2019-12-07 13:40:34,416 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:40:34,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/sv-benchmarks/c/array-fpi/s32iff.c [2019-12-07 13:40:34,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/data/6e02f1985/b7a0fa7df5374a86b7f161d2d48ca296/FLAGeeeb1e20d [2019-12-07 13:40:34,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/data/6e02f1985/b7a0fa7df5374a86b7f161d2d48ca296 [2019-12-07 13:40:34,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:40:34,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:40:34,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:40:34,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:40:34,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:40:34,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571eb242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34, skipping insertion in model container [2019-12-07 13:40:34,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:40:34,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:40:34,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:40:34,597 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:40:34,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:40:34,621 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:40:34,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34 WrapperNode [2019-12-07 13:40:34,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:40:34,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:40:34,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:40:34,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:40:34,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:40:34,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:40:34,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:40:34,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:40:34,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... [2019-12-07 13:40:34,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:40:34,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:40:34,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:40:34,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:40:34,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:40:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:40:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:40:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:40:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:40:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:40:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:40:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:40:34,857 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:40:34,857 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 13:40:34,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:34 BoogieIcfgContainer [2019-12-07 13:40:34,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:40:34,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:40:34,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:40:34,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:40:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:40:34" (1/3) ... [2019-12-07 13:40:34,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a478fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:40:34, skipping insertion in model container [2019-12-07 13:40:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:34" (2/3) ... [2019-12-07 13:40:34,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a478fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:40:34, skipping insertion in model container [2019-12-07 13:40:34,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:34" (3/3) ... [2019-12-07 13:40:34,862 INFO L109 eAbstractionObserver]: Analyzing ICFG s32iff.c [2019-12-07 13:40:34,869 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:40:34,873 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:40:34,880 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:40:34,896 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:40:34,896 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:40:34,896 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:40:34,896 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:40:34,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:40:34,897 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:40:34,897 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:40:34,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:40:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 13:40:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:40:34,910 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:40:34,911 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:40:34,911 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:40:34,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:34,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1306747820, now seen corresponding path program 1 times [2019-12-07 13:40:34,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:34,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539369326] [2019-12-07 13:40:34,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:40:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:40:35,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539369326] [2019-12-07 13:40:35,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:40:35,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:40:35,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569550080] [2019-12-07 13:40:35,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:40:35,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:40:35,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:40:35,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:40:35,024 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-12-07 13:40:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:40:35,035 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2019-12-07 13:40:35,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:40:35,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 13:40:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:40:35,042 INFO L225 Difference]: With dead ends: 37 [2019-12-07 13:40:35,042 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 13:40:35,044 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 [2019-12-07 13:40:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 13:40:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 13:40:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 13:40:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 13:40:35,066 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2019-12-07 13:40:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:40:35,066 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 13:40:35,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:40:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-07 13:40:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:40:35,067 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:40:35,067 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:40:35,068 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:40:35,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:35,068 INFO L82 PathProgramCache]: Analyzing trace with hash -875427960, now seen corresponding path program 1 times [2019-12-07 13:40:35,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:35,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373534970] [2019-12-07 13:40:35,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:40:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:40:35,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373534970] [2019-12-07 13:40:35,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:40:35,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:40:35,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739216008] [2019-12-07 13:40:35,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:40:35,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:40:35,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:40:35,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:40:35,122 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 3 states. [2019-12-07 13:40:35,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:40:35,160 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-12-07 13:40:35,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:40:35,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-07 13:40:35,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:40:35,161 INFO L225 Difference]: With dead ends: 31 [2019-12-07 13:40:35,161 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 13:40:35,162 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 [2019-12-07 13:40:35,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 13:40:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-12-07 13:40:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 13:40:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 13:40:35,165 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2019-12-07 13:40:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:40:35,165 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 13:40:35,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:40:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 13:40:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:40:35,166 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:40:35,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:40:35,166 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:40:35,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash -100045206, now seen corresponding path program 1 times [2019-12-07 13:40:35,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:35,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606067543] [2019-12-07 13:40:35,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:40:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:40:35,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606067543] [2019-12-07 13:40:35,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:40:35,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:40:35,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931523225] [2019-12-07 13:40:35,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:40:35,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:40:35,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:40:35,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:40:35,202 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 4 states. [2019-12-07 13:40:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:40:35,248 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2019-12-07 13:40:35,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:40:35,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-07 13:40:35,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:40:35,249 INFO L225 Difference]: With dead ends: 33 [2019-12-07 13:40:35,249 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 13:40:35,249 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 [2019-12-07 13:40:35,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 13:40:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2019-12-07 13:40:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 13:40:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-12-07 13:40:35,252 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2019-12-07 13:40:35,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:40:35,252 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-12-07 13:40:35,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:40:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-12-07 13:40:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:40:35,253 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:40:35,253 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:40:35,253 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:40:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:35,253 INFO L82 PathProgramCache]: Analyzing trace with hash -682929213, now seen corresponding path program 1 times [2019-12-07 13:40:35,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:35,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196771175] [2019-12-07 13:40:35,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:35,308 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:40:35,308 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:40:35,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:40:35 BoogieIcfgContainer [2019-12-07 13:40:35,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:40:35,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:40:35,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:40:35,330 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:40:35,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:34" (3/4) ... [2019-12-07 13:40:35,332 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:40:35,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34218b59-76fe-46c5-b73e-d5da14d9adab/bin/uautomizer/witness.graphml [2019-12-07 13:40:35,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:40:35,366 INFO L168 Benchmark]: Toolchain (without parser) took 933.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -66.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,367 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:40:35,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.95 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,368 INFO L168 Benchmark]: Boogie Preprocessor took 17.55 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,368 INFO L168 Benchmark]: RCFGBuilder took 193.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,368 INFO L168 Benchmark]: TraceAbstraction took 471.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:35,369 INFO L168 Benchmark]: Witness Printer took 35.00 ms. Allocated memory is still 1.1 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. [2019-12-07 13:40:35,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.95 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.55 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.32 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 471.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.00 ms. Allocated memory is still 1.1 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] int *a = malloc(sizeof(int)*N); [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i