./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 ................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:49:21,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:49:21,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:49:21,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:49:21,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:49:21,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:49:21,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:49:21,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:49:21,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:49:21,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:49:21,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:49:21,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:49:21,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:49:21,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:49:21,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:49:21,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:49:21,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:49:21,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:49:21,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:49:21,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:49:21,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:49:21,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:49:21,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:49:21,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:49:21,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:49:21,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:49:21,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:49:21,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:49:21,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:49:21,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:49:21,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:49:21,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:49:21,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:49:21,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:49:21,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:49:21,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:49:21,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:49:21,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:49:21,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:49:21,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:49:21,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:49:21,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:49:21,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:49:21,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:49:21,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:49:21,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:49:21,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:49:21,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:49:21,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:49:21,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:49:21,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:49:21,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:49:21,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:49:21,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:49:21,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:49:21,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:49:21,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:49:21,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:49:21,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:49:21,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:49:21,185 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:49:21,189 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:49:21,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:49:21,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:49:21,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:49:21,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:49:21,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:49:21,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:49:21,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:49:21,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:49:21,192 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_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 [2021-10-29 03:49:21,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:49:21,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:49:21,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:49:21,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:49:21,510 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:49:21,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-fpi/ss4f.c [2021-10-29 03:49:21,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/data/4fa84ce92/a10be5e5d4a0414e97bf3c7a4ca4811c/FLAG5e40866ef [2021-10-29 03:49:22,121 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:49:22,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/sv-benchmarks/c/array-fpi/ss4f.c [2021-10-29 03:49:22,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/data/4fa84ce92/a10be5e5d4a0414e97bf3c7a4ca4811c/FLAG5e40866ef [2021-10-29 03:49:22,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/data/4fa84ce92/a10be5e5d4a0414e97bf3c7a4ca4811c [2021-10-29 03:49:22,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:49:22,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:49:22,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:49:22,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:49:22,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:49:22,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e8a6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22, skipping insertion in model container [2021-10-29 03:49:22,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:49:22,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:49:22,711 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_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-10-29 03:49:22,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:49:22,738 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:49:22,752 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_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-10-29 03:49:22,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:49:22,776 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:49:22,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22 WrapperNode [2021-10-29 03:49:22,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:49:22,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:49:22,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:49:22,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:49:22,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:49:22,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:49:22,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:49:22,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:49:22,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:49:22,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:49:22,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:49:22,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:49:22,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:22" (1/1) ... [2021-10-29 03:49:22,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:49:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:49:22,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:49:22,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:49:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:49:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:49:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:49:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:49:22,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:49:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:49:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:49:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:49:23,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:49:23,314 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 03:49:23,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:23 BoogieIcfgContainer [2021-10-29 03:49:23,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:49:23,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:49:23,331 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:49:23,341 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:49:23,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:23" (1/1) ... [2021-10-29 03:49:23,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:49:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-10-29 03:49:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-10-29 03:49:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:49:23,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:23,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:49:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-10-29 03:49:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-10-29 03:49:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:49:23,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:23,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:23,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:49:23,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:49:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:49:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-10-29 03:49:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-10-29 03:49:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:49:23,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:23,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:49:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-10-29 03:49:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-10-29 03:49:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:49:24,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:24,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:49:24,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:49:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:49:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:49:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:49:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-10-29 03:49:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-10-29 03:49:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:49:24,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:49:24,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:49:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:49:24,399 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:49:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:49:24,467 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2021-10-29 03:49:24,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:49:24 ImpRootNode [2021-10-29 03:49:24,530 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:49:24,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:49:24,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:49:24,531 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:49:24,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:23" (3/4) ... [2021-10-29 03:49:24,534 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:49:24,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b1b529-6c3d-4997-a118-6fd60ea3ad5a/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:49:24,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:49:24,598 INFO L168 Benchmark]: Toolchain (without parser) took 2117.81 ms. Allocated memory is still 111.1 MB. Free memory was 76.9 MB in the beginning and 71.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,599 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 111.1 MB. Free memory was 82.0 MB in the beginning and 81.9 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:49:24,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.38 ms. Allocated memory is still 111.1 MB. Free memory was 76.6 MB in the beginning and 86.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 85.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,601 INFO L168 Benchmark]: Boogie Preprocessor took 42.98 ms. Allocated memory is still 111.1 MB. Free memory was 85.2 MB in the beginning and 83.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,602 INFO L168 Benchmark]: RCFGBuilder took 469.84 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 68.4 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,603 INFO L168 Benchmark]: CodeCheck took 1199.93 ms. Allocated memory is still 111.1 MB. Free memory was 68.4 MB in the beginning and 74.6 MB in the end (delta: -6.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:49:24,603 INFO L168 Benchmark]: Witness Printer took 65.30 ms. Allocated memory is still 111.1 MB. Free memory was 74.6 MB in the beginning and 71.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:49:24,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 44 SDslu, 0 SDs, 0 SdLazy, 210 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 303 SyntacticMatches, 10 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 2 NumberOfNonLiveVariables, 196 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1] [L32] COND TRUE i