./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s42iff.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_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s42iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/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 4db4acc547fc47718f6e9c56f06e455b513ebefb ...................................................................................................................................................................................................................................................................................................................................................................................... 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 18:11:34,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:11:34,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:11:34,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:11:34,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:11:34,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:11:34,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:11:34,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:11:34,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:11:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:11:34,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:11:34,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:11:34,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:11:34,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:11:34,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:11:34,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:11:34,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:11:34,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:11:34,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:11:34,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:11:34,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:11:34,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:11:34,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:11:34,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:11:34,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:11:34,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:11:34,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:11:34,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:11:34,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:11:34,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:11:34,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:11:34,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:11:34,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:11:34,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:11:34,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:11:34,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:11:34,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:11:34,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:11:34,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:11:34,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:11:34,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:11:34,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:11:34,766 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:11:34,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:11:34,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:11:34,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:11:34,768 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:11:34,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:11:34,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:11:34,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:11:34,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:11:34,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:11:34,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:11:34,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:11:34,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:11:34,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:11:34,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:11:34,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:11:34,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:11:34,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:11:34,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:11:34,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:11:34,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:11:34,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:11:34,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:11:34,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:11:34,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:11:34,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:11:34,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:11:34,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:11:34,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:11:34,772 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_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/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 -> 4db4acc547fc47718f6e9c56f06e455b513ebefb [2019-12-07 18:11:34,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:11:34,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:11:34,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:11:34,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:11:34,895 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:11:34,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/../../sv-benchmarks/c/array-fpi/s42iff.c [2019-12-07 18:11:34,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/data/5fcf0da43/078428303aef44e0bf560701c9e71955/FLAGfc6880e34 [2019-12-07 18:11:35,359 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:11:35,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/sv-benchmarks/c/array-fpi/s42iff.c [2019-12-07 18:11:35,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/data/5fcf0da43/078428303aef44e0bf560701c9e71955/FLAGfc6880e34 [2019-12-07 18:11:35,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/data/5fcf0da43/078428303aef44e0bf560701c9e71955 [2019-12-07 18:11:35,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:11:35,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:11:35,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:35,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:11:35,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:11:35,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d9133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35, skipping insertion in model container [2019-12-07 18:11:35,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:11:35,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:11:35,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:35,539 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:11:35,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:11:35,567 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:11:35,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35 WrapperNode [2019-12-07 18:11:35,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:11:35,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:11:35,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:11:35,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:11:35,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:11:35,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:11:35,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:11:35,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:11:35,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... [2019-12-07 18:11:35,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:11:35,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:11:35,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:11:35,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:11:35,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/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 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:11:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:11:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:11:35,803 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:11:35,803 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 18:11:35,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:35 BoogieIcfgContainer [2019-12-07 18:11:35,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:11:35,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:11:35,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:11:35,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:11:35,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:11:35" (1/3) ... [2019-12-07 18:11:35,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408413c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:35, skipping insertion in model container [2019-12-07 18:11:35,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:11:35" (2/3) ... [2019-12-07 18:11:35,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408413c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:35, skipping insertion in model container [2019-12-07 18:11:35,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:35" (3/3) ... [2019-12-07 18:11:35,809 INFO L109 eAbstractionObserver]: Analyzing ICFG s42iff.c [2019-12-07 18:11:35,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:11:35,819 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:11:35,826 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:11:35,842 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:11:35,842 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:11:35,842 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:11:35,843 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:11:35,843 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:11:35,843 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:11:35,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:11:35,843 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:11:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 18:11:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:11:35,856 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:35,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:35,857 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:35,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:35,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1306747820, now seen corresponding path program 1 times [2019-12-07 18:11:35,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:11:35,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433176142] [2019-12-07 18:11:35,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:11:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:35,962 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 18:11:35,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433176142] [2019-12-07 18:11:35,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:35,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:11:35,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561379698] [2019-12-07 18:11:35,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:11:35,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:11:35,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:11:35,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:11:35,976 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-12-07 18:11:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:35,987 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2019-12-07 18:11:35,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:11:35,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:11:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:35,993 INFO L225 Difference]: With dead ends: 37 [2019-12-07 18:11:35,993 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 18:11:35,995 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 18:11:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 18:11:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 18:11:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:11:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 18:11:36,016 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2019-12-07 18:11:36,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:36,017 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 18:11:36,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:11:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-07 18:11:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:11:36,017 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:36,017 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:36,017 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:36,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:36,018 INFO L82 PathProgramCache]: Analyzing trace with hash -875427960, now seen corresponding path program 1 times [2019-12-07 18:11:36,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:11:36,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461236290] [2019-12-07 18:11:36,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:11:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:36,061 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 18:11:36,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461236290] [2019-12-07 18:11:36,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:36,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:11:36,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709554806] [2019-12-07 18:11:36,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:11:36,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:11:36,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:11:36,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:11:36,063 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 3 states. [2019-12-07 18:11:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:36,100 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-12-07 18:11:36,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:11:36,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-07 18:11:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:36,101 INFO L225 Difference]: With dead ends: 31 [2019-12-07 18:11:36,101 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 18:11:36,101 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 18:11:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 18:11:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-12-07 18:11:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:11:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 18:11:36,105 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2019-12-07 18:11:36,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:36,105 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 18:11:36,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:11:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 18:11:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:11:36,105 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:36,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:36,106 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:36,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:36,106 INFO L82 PathProgramCache]: Analyzing trace with hash -100045206, now seen corresponding path program 1 times [2019-12-07 18:11:36,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:11:36,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754934841] [2019-12-07 18:11:36,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:11:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:36,142 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 18:11:36,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754934841] [2019-12-07 18:11:36,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:36,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:11:36,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576533187] [2019-12-07 18:11:36,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:11:36,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:11:36,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:11:36,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:11:36,144 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 4 states. [2019-12-07 18:11:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:36,191 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2019-12-07 18:11:36,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:11:36,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-07 18:11:36,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:36,192 INFO L225 Difference]: With dead ends: 33 [2019-12-07 18:11:36,192 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 18:11:36,192 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 18:11:36,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 18:11:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2019-12-07 18:11:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 18:11:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-12-07 18:11:36,195 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2019-12-07 18:11:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:36,196 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-12-07 18:11:36,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:11:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-12-07 18:11:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 18:11:36,196 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:36,196 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 18:11:36,196 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash -682929213, now seen corresponding path program 1 times [2019-12-07 18:11:36,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:11:36,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009116395] [2019-12-07 18:11:36,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:11:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:11:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:11:36,257 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:11:36,257 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:11:36,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:11:36 BoogieIcfgContainer [2019-12-07 18:11:36,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:11:36,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:11:36,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:11:36,281 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:11:36,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:35" (3/4) ... [2019-12-07 18:11:36,283 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:11:36,317 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ecc13a67-fd2a-42fc-a3b0-f4fdd7e81d7a/bin/uautomizer/witness.graphml [2019-12-07 18:11:36,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:11:36,319 INFO L168 Benchmark]: Toolchain (without parser) took 944.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 946.2 MB in the beginning and 1.0 GB in the end (delta: -77.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:36,319 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:36,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:36,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:36,320 INFO L168 Benchmark]: Boogie Preprocessor took 17.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:36,321 INFO L168 Benchmark]: RCFGBuilder took 192.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:36,321 INFO L168 Benchmark]: TraceAbstraction took 475.19 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:36,322 INFO L168 Benchmark]: Witness Printer took 36.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:36,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.35 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 17.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 192.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 475.19 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Witness Printer took 36.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i