./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn1f.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_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/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_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/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_69506eba-354d-401c-a1d2-922178fe6af4/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 55ee4b95b80c9eebb60e8b0eba56566adf80c74f9addd2fea6f7bbea2c0e0a47 --- 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 16:54:32,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:32,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:32,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:32,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:32,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:32,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:32,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:32,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:32,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:32,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:32,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:32,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:32,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:32,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:32,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:32,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:32,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:32,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:32,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:32,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:32,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:32,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:32,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:32,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:32,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:32,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:32,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:32,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:32,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:32,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:32,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:32,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:32,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:32,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:32,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:32,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:32,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:32,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:32,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:32,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:32,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:32,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:32,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:32,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:32,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:32,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:32,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:32,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:32,157 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:32,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:32,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:32,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:32,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:32,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:32,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:32,159 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:32,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:32,160 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:32,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:32,160 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:32,160 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:32,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:32,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:32,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:32,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:32,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:32,162 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:32,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:32,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:32,171 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_69506eba-354d-401c-a1d2-922178fe6af4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ee4b95b80c9eebb60e8b0eba56566adf80c74f9addd2fea6f7bbea2c0e0a47 [2022-10-17 16:54:32,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:32,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:32,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:32,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:32,472 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:32,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ifeqn1f.c [2022-10-17 16:54:32,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/data/131a56491/a0cd44f61f034cdd992b687fb85be956/FLAG565938bf7 [2022-10-17 16:54:32,979 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:32,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/sv-benchmarks/c/array-fpi/ifeqn1f.c [2022-10-17 16:54:32,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/data/131a56491/a0cd44f61f034cdd992b687fb85be956/FLAG565938bf7 [2022-10-17 16:54:33,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/data/131a56491/a0cd44f61f034cdd992b687fb85be956 [2022-10-17 16:54:33,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:33,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:33,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:33,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:33,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:33,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6757e1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33, skipping insertion in model container [2022-10-17 16:54:33,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:33,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:33,627 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_69506eba-354d-401c-a1d2-922178fe6af4/sv-benchmarks/c/array-fpi/ifeqn1f.c[590,603] [2022-10-17 16:54:33,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:33,658 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:33,670 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_69506eba-354d-401c-a1d2-922178fe6af4/sv-benchmarks/c/array-fpi/ifeqn1f.c[590,603] [2022-10-17 16:54:33,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:33,692 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:33,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33 WrapperNode [2022-10-17 16:54:33,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:33,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:33,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:33,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:33,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,730 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-10-17 16:54:33,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:33,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:33,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:33,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:33,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:33,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:33,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:33,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:33,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:33" (1/1) ... [2022-10-17 16:54:33,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:33,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:33,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:33,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:33,929 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:33,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:34,146 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:34,237 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:34,237 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:54:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:34 BoogieIcfgContainer [2022-10-17 16:54:34,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:34,240 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:34,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:34,263 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:34,263 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:34" (1/1) ... [2022-10-17 16:54:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:54:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:54:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:34,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:54:34,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:34,707 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 16:54:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:54:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:54:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:34,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:54:34,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:34,924 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 16:54:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:54:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:54:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:35,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:35,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:35,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:54:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:35,189 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-10-17 16:54:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:35 ImpRootNode [2022-10-17 16:54:35,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:35,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:35,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:35,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:35,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:34" (3/4) ... [2022-10-17 16:54:35,243 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:54:35,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69506eba-354d-401c-a1d2-922178fe6af4/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:35,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:35,320 INFO L158 Benchmark]: Toolchain (without parser) took 1931.35ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 78.9MB in the beginning and 124.2MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:35,321 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:35,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.79ms. Allocated memory is still 123.7MB. Free memory was 78.8MB in the beginning and 94.8MB in the end (delta: -16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:54:35,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.82ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:35,323 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:35,324 INFO L158 Benchmark]: RCFGBuilder took 480.36ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 76.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:54:35,325 INFO L158 Benchmark]: CodeCheck took 996.83ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 126.2MB in the end (delta: -49.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:35,325 INFO L158 Benchmark]: Witness Printer took 80.98ms. Allocated memory is still 153.1MB. Free memory was 126.2MB in the beginning and 124.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:35,329 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, 0.1s 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