./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/sina3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/sina3f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a2c4bcb4b4edceb38e856c798ce95fb20dd776c1a467f699ba4e8c1ce3f580f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 02:21:18,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 02:21:18,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 02:21:18,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 02:21:18,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 02:21:18,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 02:21:18,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 02:21:18,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 02:21:18,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 02:21:18,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 02:21:18,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 02:21:18,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 02:21:18,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 02:21:18,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 02:21:18,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 02:21:18,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 02:21:18,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 02:21:18,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 02:21:18,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 02:21:18,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 02:21:18,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 02:21:18,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 02:21:18,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 02:21:18,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 02:21:18,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 02:21:18,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 02:21:18,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 02:21:18,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 02:21:18,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 02:21:18,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 02:21:18,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 02:21:18,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 02:21:18,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 02:21:18,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 02:21:18,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 02:21:18,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 02:21:18,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 02:21:18,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 02:21:18,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 02:21:18,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 02:21:18,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 02:21:18,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 02:21:18,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 02:21:18,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 02:21:18,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 02:21:18,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 02:21:18,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 02:21:18,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 02:21:18,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 02:21:18,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 02:21:18,815 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 02:21:18,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 02:21:18,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 02:21:18,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 02:21:18,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 02:21:18,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 02:21:18,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 02:21:18,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 02:21:18,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 02:21:18,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 02:21:18,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 02:21:18,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 02:21:18,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 02:21:18,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 02:21:18,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 02:21:18,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 02:21:18,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2c4bcb4b4edceb38e856c798ce95fb20dd776c1a467f699ba4e8c1ce3f580f [2021-12-17 02:21:19,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 02:21:19,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 02:21:19,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 02:21:19,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 02:21:19,023 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 02:21:19,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sina3f.c [2021-12-17 02:21:19,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d341ae2/164699ca99f04e6f9d13c6e66cb5686e/FLAG9df6285a0 [2021-12-17 02:21:19,411 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 02:21:19,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sina3f.c [2021-12-17 02:21:19,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d341ae2/164699ca99f04e6f9d13c6e66cb5686e/FLAG9df6285a0 [2021-12-17 02:21:19,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d341ae2/164699ca99f04e6f9d13c6e66cb5686e [2021-12-17 02:21:19,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 02:21:19,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 02:21:19,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 02:21:19,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 02:21:19,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 02:21:19,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:21:19" (1/1) ... [2021-12-17 02:21:19,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcbd3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:19, skipping insertion in model container [2021-12-17 02:21:19,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:21:19" (1/1) ... [2021-12-17 02:21:19,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 02:21:19,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 02:21:19,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sina3f.c[589,602] [2021-12-17 02:21:19,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 02:21:19,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 02:21:20,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sina3f.c[589,602] [2021-12-17 02:21:20,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 02:21:20,043 INFO L208 MainTranslator]: Completed translation [2021-12-17 02:21:20,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20 WrapperNode [2021-12-17 02:21:20,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 02:21:20,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 02:21:20,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 02:21:20,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 02:21:20,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,079 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2021-12-17 02:21:20,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 02:21:20,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 02:21:20,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 02:21:20,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 02:21:20,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 02:21:20,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 02:21:20,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 02:21:20,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 02:21:20,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (1/1) ... [2021-12-17 02:21:20,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 02:21:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:21:20,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 02:21:20,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 02:21:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 02:21:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 02:21:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 02:21:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 02:21:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 02:21:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 02:21:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 02:21:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 02:21:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 02:21:20,231 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 02:21:20,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 02:21:20,402 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 02:21:20,406 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 02:21:20,406 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-17 02:21:20,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:21:20 BoogieIcfgContainer [2021-12-17 02:21:20,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 02:21:20,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 02:21:20,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 02:21:20,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 02:21:20,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:21:19" (1/3) ... [2021-12-17 02:21:20,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e902313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:21:20, skipping insertion in model container [2021-12-17 02:21:20,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:21:20" (2/3) ... [2021-12-17 02:21:20,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e902313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:21:20, skipping insertion in model container [2021-12-17 02:21:20,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:21:20" (3/3) ... [2021-12-17 02:21:20,422 INFO L111 eAbstractionObserver]: Analyzing ICFG sina3f.c [2021-12-17 02:21:20,431 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 02:21:20,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 02:21:20,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 02:21:20,494 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 02:21:20,495 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 02:21:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 02:21:20,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:21:20,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:21:20,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:21:20,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:21:20,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1389277550, now seen corresponding path program 1 times [2021-12-17 02:21:20,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:21:20,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864075521] [2021-12-17 02:21:20,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:21:20,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:21:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:21:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 02:21:20,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:21:20,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864075521] [2021-12-17 02:21:20,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864075521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:21:20,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:21:20,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 02:21:20,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154178223] [2021-12-17 02:21:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:21:20,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 02:21:20,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:21:20,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 02:21:20,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 02:21:20,680 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:21:20,694 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2021-12-17 02:21:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 02:21:20,696 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-12-17 02:21:20,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:21:20,701 INFO L225 Difference]: With dead ends: 50 [2021-12-17 02:21:20,701 INFO L226 Difference]: Without dead ends: 23 [2021-12-17 02:21:20,704 INFO L932 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 [2021-12-17 02:21:20,707 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:21:20,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:21:20,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-12-17 02:21:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-12-17 02:21:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-17 02:21:20,737 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2021-12-17 02:21:20,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:21:20,737 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-17 02:21:20,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-17 02:21:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 02:21:20,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:21:20,739 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:21:20,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 02:21:20,740 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:21:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:21:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash 796930410, now seen corresponding path program 1 times [2021-12-17 02:21:20,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:21:20,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340689989] [2021-12-17 02:21:20,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:21:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:21:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:21:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 02:21:20,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:21:20,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340689989] [2021-12-17 02:21:20,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340689989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:21:20,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:21:20,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 02:21:20,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187298731] [2021-12-17 02:21:20,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:21:20,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 02:21:20,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:21:20,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 02:21:20,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 02:21:20,850 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:21:20,901 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2021-12-17 02:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 02:21:20,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-12-17 02:21:20,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:21:20,902 INFO L225 Difference]: With dead ends: 53 [2021-12-17 02:21:20,903 INFO L226 Difference]: Without dead ends: 37 [2021-12-17 02:21:20,903 INFO L932 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 [2021-12-17 02:21:20,904 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:21:20,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 17 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:21:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-17 02:21:20,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2021-12-17 02:21:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-12-17 02:21:20,909 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2021-12-17 02:21:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:21:20,909 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-12-17 02:21:20,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:21:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-12-17 02:21:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 02:21:20,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:21:20,910 INFO L514 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] [2021-12-17 02:21:20,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 02:21:20,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:21:20,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:21:20,911 INFO L85 PathProgramCache]: Analyzing trace with hash 495241442, now seen corresponding path program 1 times [2021-12-17 02:21:20,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:21:20,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318519308] [2021-12-17 02:21:20,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:21:20,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:21:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 02:21:20,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 02:21:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 02:21:20,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 02:21:20,995 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 02:21:20,995 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 02:21:20,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 02:21:20,999 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 02:21:21,001 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 02:21:21,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 02:21:21 BoogieIcfgContainer [2021-12-17 02:21:21,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 02:21:21,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 02:21:21,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 02:21:21,023 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 02:21:21,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:21:20" (3/4) ... [2021-12-17 02:21:21,024 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-17 02:21:21,066 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 02:21:21,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 02:21:21,069 INFO L158 Benchmark]: Toolchain (without parser) took 1229.33ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 79.5MB in the beginning and 76.4MB in the end (delta: 3.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,070 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 02:21:21,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.84ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 79.5MB in the beginning and 131.5MB in the end (delta: -52.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.32ms. Allocated memory is still 157.3MB. Free memory was 131.5MB in the beginning and 130.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,071 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 157.3MB. Free memory was 130.1MB in the beginning and 128.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 02:21:21,071 INFO L158 Benchmark]: RCFGBuilder took 292.70ms. Allocated memory is still 157.3MB. Free memory was 128.1MB in the beginning and 116.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,071 INFO L158 Benchmark]: TraceAbstraction took 613.26ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 79.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,072 INFO L158 Benchmark]: Witness Printer took 46.44ms. Allocated memory is still 157.3MB. Free memory was 79.1MB in the beginning and 76.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 02:21:21,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.84ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 79.5MB in the beginning and 131.5MB in the end (delta: -52.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.32ms. Allocated memory is still 157.3MB. Free memory was 131.5MB in the beginning and 130.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 157.3MB. Free memory was 130.1MB in the beginning and 128.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.70ms. Allocated memory is still 157.3MB. Free memory was 128.1MB in the beginning and 116.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 613.26ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 79.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 46.44ms. Allocated memory is still 157.3MB. Free memory was 79.1MB in the beginning and 76.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [a={-2:0}, b={5:0}, i=0, N=1, sum={7:0}] [L33] COND TRUE i