./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY --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 b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:07:40,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:07:40,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:07:40,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:07:40,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:07:40,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:07:40,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:07:40,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:07:40,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:07:40,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:07:40,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:07:40,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:07:40,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:07:40,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:07:40,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:07:40,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:07:40,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:07:40,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:07:40,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:07:40,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:07:40,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:07:40,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:07:41,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:07:41,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:07:41,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:07:41,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:07:41,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:07:41,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:07:41,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:07:41,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:07:41,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:07:41,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:07:41,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:07:41,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:07:41,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:07:41,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:07:41,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:07:41,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:07:41,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:07:41,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:07:41,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:07:41,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:07:41,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:07:41,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:07:41,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:07:41,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:07:41,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:07:41,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:07:41,050 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:07:41,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:07:41,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:07:41,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:07:41,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:07:41,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:07:41,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:07:41,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:07:41,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:07:41,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:07:41,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:07:41,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:07:41,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:07:41,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:07:41,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:07:41,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:07:41,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:07:41,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:07:41,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:07:41,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:07:41,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:07:41,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:07:41,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:07:41,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:07:41,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:07:41,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:07:41,056 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2021-11-07 08:07:41,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:07:41,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:07:41,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:07:41,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:07:41,342 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:07:41,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/array-fpi/sina5f.c [2021-11-07 08:07:41,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/data/19c1caf33/6d95bc7264ae42e499805ce15727b1e9/FLAG3b539be7d [2021-11-07 08:07:41,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:07:41,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/sv-benchmarks/c/array-fpi/sina5f.c [2021-11-07 08:07:41,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/data/19c1caf33/6d95bc7264ae42e499805ce15727b1e9/FLAG3b539be7d [2021-11-07 08:07:42,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/data/19c1caf33/6d95bc7264ae42e499805ce15727b1e9 [2021-11-07 08:07:42,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:07:42,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:07:42,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:07:42,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:07:42,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:07:42,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc684b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42, skipping insertion in model container [2021-11-07 08:07:42,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:07:42,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:07:42,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-07 08:07:42,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:07:42,524 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:07:42,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-07 08:07:42,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:07:42,592 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:07:42,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42 WrapperNode [2021-11-07 08:07:42,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:07:42,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:07:42,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:07:42,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:07:42,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:07:42,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:07:42,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:07:42,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:07:42,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:07:42,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:07:42,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:07:42,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:07:42,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (1/1) ... [2021-11-07 08:07:42,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:07:42,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:07:42,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:07:42,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:07:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:07:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:07:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:07:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 08:07:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:07:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:07:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:07:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:07:43,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:07:43,153 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-07 08:07:43,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:43 BoogieIcfgContainer [2021-11-07 08:07:43,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:07:43,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:07:43,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:07:43,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:07:43,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:07:42" (1/3) ... [2021-11-07 08:07:43,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f24bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:07:43, skipping insertion in model container [2021-11-07 08:07:43,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:07:42" (2/3) ... [2021-11-07 08:07:43,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f24bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:07:43, skipping insertion in model container [2021-11-07 08:07:43,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:43" (3/3) ... [2021-11-07 08:07:43,176 INFO L111 eAbstractionObserver]: Analyzing ICFG sina5f.c [2021-11-07 08:07:43,182 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:07:43,182 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:07:43,268 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:07:43,278 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 [2021-11-07 08:07:43,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:07:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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) [2021-11-07 08:07:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 08:07:43,302 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:07:43,304 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:07:43,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:07:43,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:07:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2021-11-07 08:07:43,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:07:43,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723247905] [2021-11-07 08:07:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:07:43,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:07:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:07:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:07:43,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:07:43,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723247905] [2021-11-07 08:07:43,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723247905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:07:43,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:07:43,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:07:43,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139539463] [2021-11-07 08:07:43,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 08:07:43,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:07:43,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 08:07:43,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:07:43,595 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-07 08:07:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:07:43,633 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-11-07 08:07:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 08:07:43,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-11-07 08:07:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:07:43,644 INFO L225 Difference]: With dead ends: 56 [2021-11-07 08:07:43,644 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 08:07:43,647 INFO L786 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 [2021-11-07 08:07:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 08:07:43,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-07 08:07:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 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) [2021-11-07 08:07:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-07 08:07:43,698 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2021-11-07 08:07:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:07:43,699 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-07 08:07:43,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-11-07 08:07:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-07 08:07:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 08:07:43,700 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:07:43,704 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:07:43,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:07:43,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:07:43,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:07:43,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2021-11-07 08:07:43,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:07:43,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191706275] [2021-11-07 08:07:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:07:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:07:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:07:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:07:43,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:07:43,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191706275] [2021-11-07 08:07:43,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191706275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:07:43,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:07:43,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:07:43,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689466186] [2021-11-07 08:07:43,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:07:43,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:07:43,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:07:43,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:07:43,848 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-11-07 08:07:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:07:43,999 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2021-11-07 08:07:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:07:44,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2021-11-07 08:07:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:07:44,001 INFO L225 Difference]: With dead ends: 61 [2021-11-07 08:07:44,001 INFO L226 Difference]: Without dead ends: 42 [2021-11-07 08:07:44,002 INFO L786 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 [2021-11-07 08:07:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-07 08:07:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2021-11-07 08:07:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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) [2021-11-07 08:07:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-11-07 08:07:44,010 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2021-11-07 08:07:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:07:44,010 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-11-07 08:07:44,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-11-07 08:07:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-07 08:07:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 08:07:44,012 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:07:44,012 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:07:44,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:07:44,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:07:44,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:07:44,014 INFO L85 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2021-11-07 08:07:44,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:07:44,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788618368] [2021-11-07 08:07:44,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:07:44,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:07:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:07:44,113 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:07:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:07:44,236 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:07:44,236 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 08:07:44,238 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:07:44,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:07:44,244 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 08:07:44,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:07:44,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:07:44 BoogieIcfgContainer [2021-11-07 08:07:44,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:07:44,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:07:44,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:07:44,308 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:07:44,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:07:43" (3/4) ... [2021-11-07 08:07:44,310 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 08:07:44,388 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7239132-3276-42dc-bbae-914d0113afaf/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:07:44,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:07:44,389 INFO L168 Benchmark]: Toolchain (without parser) took 2140.67 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.7 MB in the beginning and 63.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,390 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:07:44,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.46 ms. Allocated memory is still 92.3 MB. Free memory was 57.4 MB in the beginning and 67.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.96 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,392 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 64.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,392 INFO L168 Benchmark]: RCFGBuilder took 470.03 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 52.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,393 INFO L168 Benchmark]: TraceAbstraction took 1150.44 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 66.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,393 INFO L168 Benchmark]: Witness Printer took 80.16 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 63.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:07:44,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.46 ms. Allocated memory is still 92.3 MB. Free memory was 57.4 MB in the beginning and 67.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.96 ms. Allocated memory is still 92.3 MB. Free memory was 67.0 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.47 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 64.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 470.03 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 52.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1150.44 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 66.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 80.16 ms. Allocated memory is still 111.1 MB. Free memory was 66.6 MB in the beginning and 63.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1] [L33] COND TRUE i