./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifncompf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifncompf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB --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 78b7072c9a7547879cdac09dc43cb093e423fbe324be54a54d60d5348866fc30 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:42:03,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:03,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:03,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:03,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:03,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:03,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:03,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:03,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:03,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:03,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:03,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:03,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:03,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:03,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:03,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:03,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:03,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:03,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:03,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:03,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:03,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:03,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:03,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:03,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:03,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:03,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:03,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:03,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:03,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:03,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:03,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:03,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:03,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:03,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:03,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:03,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:03,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:03,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:03,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:03,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:03,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:03,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:03,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:03,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:03,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:03,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:03,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:03,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:03,242 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:03,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:03,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:03,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:03,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:03,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:03,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:03,244 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:03,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:03,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:03,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:03,245 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:03,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:03,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:03,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:03,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:03,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:03,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:03,248 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:03,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:03,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:03,251 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_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78b7072c9a7547879cdac09dc43cb093e423fbe324be54a54d60d5348866fc30 [2022-10-17 16:42:03,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:03,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:03,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:03,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:03,594 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:03,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ifncompf.c [2022-10-17 16:42:03,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/data/2910cb846/2e45289b990a47aba0497edebc0a2c7b/FLAGc4d1be4f0 [2022-10-17 16:42:04,250 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:04,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/sv-benchmarks/c/array-fpi/ifncompf.c [2022-10-17 16:42:04,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/data/2910cb846/2e45289b990a47aba0497edebc0a2c7b/FLAGc4d1be4f0 [2022-10-17 16:42:04,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/data/2910cb846/2e45289b990a47aba0497edebc0a2c7b [2022-10-17 16:42:04,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:04,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:04,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:04,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:04,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:04,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:04" (1/1) ... [2022-10-17 16:42:04,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ec9e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:04, skipping insertion in model container [2022-10-17 16:42:04,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:04" (1/1) ... [2022-10-17 16:42:04,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:04,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:04,886 WARN L230 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_a3278064-7eed-4563-ae58-dbe37ced3a28/sv-benchmarks/c/array-fpi/ifncompf.c[591,604] [2022-10-17 16:42:04,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:04,944 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:04,960 WARN L230 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_a3278064-7eed-4563-ae58-dbe37ced3a28/sv-benchmarks/c/array-fpi/ifncompf.c[591,604] [2022-10-17 16:42:04,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:05,019 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:05,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05 WrapperNode [2022-10-17 16:42:05,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:05,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:05,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:05,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:05,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,074 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2022-10-17 16:42:05,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:05,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:05,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:05,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:05,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:05,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:05,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:05,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:05,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:05,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:05,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:05,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:42:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:42:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:42:05,278 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:05,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:05,546 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:05,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:05,681 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:42:05,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:05 BoogieIcfgContainer [2022-10-17 16:42:05,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:05,684 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:05,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:05,705 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:05,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:05" (1/1) ... [2022-10-17 16:42:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:42:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:42:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:42:05,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:06,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:42:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:42:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:42:06,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:06,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:42:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:42:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:06,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:06,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:06,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:42:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:42:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:06,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:42:06,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:42:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:42:06,850 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:42:06,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:42:06 ImpRootNode [2022-10-17 16:42:06,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:42:06,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:42:06,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:42:06,892 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:42:06,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:05" (3/4) ... [2022-10-17 16:42:06,895 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:42:06,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3278064-7eed-4563-ae58-dbe37ced3a28/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:42:06,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:42:06,952 INFO L158 Benchmark]: Toolchain (without parser) took 2343.85ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 70.6MB in the beginning and 86.6MB in the end (delta: -16.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,952 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:06,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.22ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 84.2MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.53ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 82.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,954 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 111.1MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,955 INFO L158 Benchmark]: RCFGBuilder took 568.11ms. Allocated memory is still 111.1MB. Free memory was 81.0MB in the beginning and 64.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,956 INFO L158 Benchmark]: CodeCheck took 1206.69ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 64.2MB in the beginning and 88.7MB in the end (delta: -24.5MB). Peak memory consumption was 88.8kB. Max. memory is 16.1GB. [2022-10-17 16:42:06,956 INFO L158 Benchmark]: Witness Printer took 58.79ms. Allocated memory is still 134.2MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:06,960 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: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 15 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 9 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) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [a={6:0}, b={5:0}, c={4:0}, i=0, N=1] [L32] COND TRUE i