./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqmf.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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqmf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/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 39aacadb1ef8d9484ed01fea6a4b942ae6d8d46b70aa8d3c1aaf631adea16a64 --- 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 16:35:47,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:47,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:47,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:47,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:47,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:47,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:47,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:47,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:47,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:47,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:47,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:47,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:47,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:47,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:47,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:47,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:47,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:47,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:47,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:47,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:47,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:47,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:47,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:47,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:47,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:47,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:47,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:47,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:47,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:47,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:47,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:47,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:47,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:47,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:47,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:47,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:47,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:47,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:47,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:47,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:47,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:35:47,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:47,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:47,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:47,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:47,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:47,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:47,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:47,232 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:47,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:47,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:47,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:47,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:47,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:47,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:47,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:47,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:47,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:47,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:47,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:47,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:47,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:47,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:47,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:47,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:47,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:47,236 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:47,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:47,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:47,237 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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39aacadb1ef8d9484ed01fea6a4b942ae6d8d46b70aa8d3c1aaf631adea16a64 [2022-10-17 16:35:47,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:47,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:47,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:47,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:47,535 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:47,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/nsqmf.c [2022-10-17 16:35:47,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/data/9d36d8bdd/1910eed225d1460b9b37dadf588ba2e0/FLAG37006f9c7 [2022-10-17 16:35:48,022 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:48,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/sv-benchmarks/c/array-fpi/nsqmf.c [2022-10-17 16:35:48,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/data/9d36d8bdd/1910eed225d1460b9b37dadf588ba2e0/FLAG37006f9c7 [2022-10-17 16:35:48,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/data/9d36d8bdd/1910eed225d1460b9b37dadf588ba2e0 [2022-10-17 16:35:48,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:48,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:48,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:48,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:48,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:48,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cf30ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48, skipping insertion in model container [2022-10-17 16:35:48,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:48,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:48,706 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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/sv-benchmarks/c/array-fpi/nsqmf.c[588,601] [2022-10-17 16:35:48,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:48,737 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:48,749 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_7e62141a-6ab3-439e-8ead-d08d47c7cd59/sv-benchmarks/c/array-fpi/nsqmf.c[588,601] [2022-10-17 16:35:48,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:48,771 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:48,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48 WrapperNode [2022-10-17 16:35:48,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:48,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:48,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:48,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:48,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,810 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-10-17 16:35:48,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:48,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:48,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:48,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:48,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:48,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:48,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:48,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:48,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:48" (1/1) ... [2022-10-17 16:35:48,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:48,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:48,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:35:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:35:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:49,005 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:49,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:49,271 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:49,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:49,310 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:35:49,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:49 BoogieIcfgContainer [2022-10-17 16:35:49,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:49,314 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:49,314 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:49,329 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:49,330 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:49" (1/1) ... [2022-10-17 16:35:49,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:35:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:35:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:49,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:49,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:49,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:35:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:35:49,687 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:35:49,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:35:49 ImpRootNode [2022-10-17 16:35:49,719 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:35:49,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:35:49,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:35:49,720 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:35:49,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:49" (3/4) ... [2022-10-17 16:35:49,723 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:35:49,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e62141a-6ab3-439e-8ead-d08d47c7cd59/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:35:49,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:35:49,766 INFO L158 Benchmark]: Toolchain (without parser) took 1354.11ms. Allocated memory is still 98.6MB. Free memory was 54.8MB in the beginning and 41.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,767 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 98.6MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:35:49,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.13ms. Allocated memory is still 98.6MB. Free memory was 78.0MB in the beginning and 72.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.55ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,773 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 70.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:35:49,774 INFO L158 Benchmark]: RCFGBuilder took 473.05ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 56.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,774 INFO L158 Benchmark]: CodeCheck took 405.15ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 43.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,775 INFO L158 Benchmark]: Witness Printer took 45.68ms. Allocated memory is still 98.6MB. Free memory was 43.2MB in the beginning and 41.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:35:49,785 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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); [L31] b[0] = 1 [L32] a[0] = 1 [L34] i=1 VAL [a={-2:0}, b={-1:0}, i=1, N=1] [L34] COND FALSE !(i