./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm-iff.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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm-iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/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 afabd041c1f9e44fb1eb4b2a4796412ceecc4ddc5ece54973c70db8b2f8169c2 --- 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 16:34:20,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:20,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:20,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:20,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:20,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:20,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:20,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:20,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:20,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:20,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:20,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:20,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:20,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:20,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:20,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:20,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:20,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:20,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:20,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:20,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:20,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:20,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:20,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:20,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:20,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:20,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:20,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:20,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:20,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:20,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:20,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:20,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:20,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:20,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:20,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:20,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:20,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:20,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:20,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:20,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:20,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:20,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:20,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:20,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:20,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:20,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:20,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:20,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:20,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:20,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:20,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:20,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:20,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:20,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:20,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:20,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:20,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:20,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:20,134 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:20,134 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:20,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:20,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:20,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:20,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:20,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:20,136 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:20,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:20,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:20,137 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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afabd041c1f9e44fb1eb4b2a4796412ceecc4ddc5ece54973c70db8b2f8169c2 [2022-10-17 16:34:20,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:20,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:20,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:20,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:20,476 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:20,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/nsqm-iff.c [2022-10-17 16:34:20,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/data/a5bf171af/e0c110aabd42430aa9a0381bc57ce546/FLAGcd7f1b2f8 [2022-10-17 16:34:21,065 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:21,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/sv-benchmarks/c/array-fpi/nsqm-iff.c [2022-10-17 16:34:21,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/data/a5bf171af/e0c110aabd42430aa9a0381bc57ce546/FLAGcd7f1b2f8 [2022-10-17 16:34:21,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/data/a5bf171af/e0c110aabd42430aa9a0381bc57ce546 [2022-10-17 16:34:21,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:21,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:21,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:21,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:21,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:21,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389877be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21, skipping insertion in model container [2022-10-17 16:34:21,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:21,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:21,700 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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/sv-benchmarks/c/array-fpi/nsqm-iff.c[591,604] [2022-10-17 16:34:21,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:21,756 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:21,771 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_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/sv-benchmarks/c/array-fpi/nsqm-iff.c[591,604] [2022-10-17 16:34:21,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:21,797 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:21,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21 WrapperNode [2022-10-17 16:34:21,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:21,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:21,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:21,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:21,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,840 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-10-17 16:34:21,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:21,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:21,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:21,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:21,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:21,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:21,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:21,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:21,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:21" (1/1) ... [2022-10-17 16:34:21,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:21,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:21,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:34:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:34:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:21,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:21,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:34:22,067 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:22,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:22,266 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:22,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:22,358 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:34:22,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:22 BoogieIcfgContainer [2022-10-17 16:34:22,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:22,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:22,370 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:22,389 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:22,389 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:22" (1/1) ... [2022-10-17 16:34:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:34:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:34:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:34:22,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:22,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:34:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:22,781 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 16:34:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:34:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:34:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:34:22,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:22,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:34:22,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:23,012 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 16:34:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:34:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:34:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:34:23,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:23,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:23,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:34:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:23,308 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-10-17 16:34:23,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:34:23 ImpRootNode [2022-10-17 16:34:23,353 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:34:23,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:34:23,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:34:23,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:34:23,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:22" (3/4) ... [2022-10-17 16:34:23,358 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:34:23,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e38b64-32d5-4e5a-a9d2-7f5ce1b1b77a/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:34:23,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:34:23,409 INFO L158 Benchmark]: Toolchain (without parser) took 1968.21ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 53.5MB in the beginning and 74.3MB in the end (delta: -20.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,409 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:34:23,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.09ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 64.9MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.19ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 63.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:34:23,411 INFO L158 Benchmark]: Boogie Preprocessor took 30.92ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 61.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,412 INFO L158 Benchmark]: RCFGBuilder took 495.76ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 47.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,413 INFO L158 Benchmark]: CodeCheck took 983.00ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 46.9MB in the beginning and 76.3MB in the end (delta: -29.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,414 INFO L158 Benchmark]: Witness Printer took 53.62ms. Allocated memory is still 119.5MB. Free memory was 76.3MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:23,418 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: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 10 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 114 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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] i=0 VAL [a={-1:0}, b={-2:0}, i=0, N=1] [L31] COND TRUE i