./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condaf.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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/condaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/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 ab2e7358ff54d79471e52cc95ead62df9f9f42221b613d220b916398bb7ee282 ................................................................................................................................................................................................................................................................................. 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 04:26:10,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:26:10,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:26:10,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:26:10,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:26:10,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:26:10,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:26:10,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:26:10,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:26:10,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:26:10,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:26:10,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:26:10,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:26:10,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:26:10,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:26:10,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:26:10,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:26:10,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:26:10,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:26:10,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:26:10,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:26:10,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:26:10,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:26:10,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:26:10,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:26:10,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:26:10,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:26:10,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:26:10,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:26:10,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:26:10,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:26:10,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:26:10,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:26:10,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:26:10,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:26:10,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:26:10,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:26:10,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:26:10,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:26:10,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:26:10,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:26:10,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:26:10,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:26:10,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:26:10,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:26:10,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:26:10,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:26:10,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:26:10,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:26:10,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:26:10,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:26:10,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:26:10,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:26:10,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:26:10,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:26:10,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:26:10,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:26:10,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:26:10,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:26:10,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:26:10,848 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:26:10,848 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:26:10,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:26:10,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:26:10,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:26:10,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:26:10,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:26:10,850 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:26:10,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:26:10,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:26:10,851 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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab2e7358ff54d79471e52cc95ead62df9f9f42221b613d220b916398bb7ee282 [2021-10-29 04:26:11,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:26:11,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:26:11,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:26:11,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:26:11,168 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:26:11,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-fpi/condaf.c [2021-10-29 04:26:11,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/data/2c31419e9/781a753f4b74422c94511e387c378b82/FLAG9376e5a62 [2021-10-29 04:26:11,736 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:26:11,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/sv-benchmarks/c/array-fpi/condaf.c [2021-10-29 04:26:11,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/data/2c31419e9/781a753f4b74422c94511e387c378b82/FLAG9376e5a62 [2021-10-29 04:26:12,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/data/2c31419e9/781a753f4b74422c94511e387c378b82 [2021-10-29 04:26:12,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:26:12,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:26:12,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:26:12,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:26:12,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:26:12,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d62f547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12, skipping insertion in model container [2021-10-29 04:26:12,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:26:12,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:26:12,292 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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/sv-benchmarks/c/array-fpi/condaf.c[589,602] [2021-10-29 04:26:12,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:26:12,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:26:12,334 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_a69f29ed-6b77-47e8-a97c-7648c1d68bab/sv-benchmarks/c/array-fpi/condaf.c[589,602] [2021-10-29 04:26:12,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:26:12,356 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:26:12,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12 WrapperNode [2021-10-29 04:26:12,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:26:12,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:26:12,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:26:12,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:26:12,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:26:12,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:26:12,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:26:12,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:26:12,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:26:12,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:26:12,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:26:12,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:26:12,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:26:12,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:26:12,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:26:12,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:26:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:26:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:26:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:26:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:26:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:26:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:26:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:26:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:26:12,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:26:12,948 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-29 04:26:12,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:12 BoogieIcfgContainer [2021-10-29 04:26:12,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:26:12,951 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:26:12,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:26:12,962 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:26:12,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:12" (1/1) ... [2021-10-29 04:26:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:26:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-10-29 04:26:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-10-29 04:26:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:26:13,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:13,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:13,221 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 04:26:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-10-29 04:26:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-10-29 04:26:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:26:13,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:13,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:13,325 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 04:26:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-10-29 04:26:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-10-29 04:26:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:26:13,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:13,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:13,549 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 04:26:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-10-29 04:26:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-10-29 04:26:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:26:13,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:13,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:26:13,701 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:26:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:26:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:26:13,885 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:26:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:26:13,933 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-10-29 04:26:13,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:26:13 ImpRootNode [2021-10-29 04:26:13,963 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:26:13,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:26:13,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:26:13,964 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:26:13,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:12" (3/4) ... [2021-10-29 04:26:13,966 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:26:14,019 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69f29ed-6b77-47e8-a97c-7648c1d68bab/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:26:14,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:26:14,027 INFO L168 Benchmark]: Toolchain (without parser) took 1907.84 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 66.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:14,028 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 98.6 MB. Free memory is still 78.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:14,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.31 ms. Allocated memory is still 98.6 MB. Free memory was 61.2 MB in the beginning and 51.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:14,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.95 ms. Allocated memory is still 98.6 MB. Free memory was 51.1 MB in the beginning and 49.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:14,032 INFO L168 Benchmark]: Boogie Preprocessor took 85.85 ms. Allocated memory is still 98.6 MB. Free memory was 49.4 MB in the beginning and 77.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:14,032 INFO L168 Benchmark]: RCFGBuilder took 464.89 ms. Allocated memory is still 98.6 MB. Free memory was 77.5 MB in the beginning and 62.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:14,033 INFO L168 Benchmark]: CodeCheck took 1011.50 ms. Allocated memory is still 98.6 MB. Free memory was 62.7 MB in the beginning and 69.3 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:14,034 INFO L168 Benchmark]: Witness Printer took 62.30 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 66.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:14,037 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 94 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1] [L32] COND TRUE i