./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008.i --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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/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 fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 --- 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 16:56:30,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:30,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:30,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:30,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:30,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:30,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:30,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:31,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:31,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:31,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:31,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:31,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:31,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:31,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:31,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:31,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:31,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:31,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:31,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:31,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:31,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:31,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:31,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:31,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:31,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:31,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:31,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:31,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:31,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:31,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:31,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:31,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:31,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:31,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:31,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:31,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:31,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:31,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:31,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:31,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:31,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:31,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:31,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:31,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:31,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:31,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:31,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:31,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:31,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:31,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:31,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:31,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:31,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:31,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:31,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:31,158 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:31,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:31,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:31,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:31,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:31,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:31,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:31,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:31,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:31,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:31,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:31,161 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:31,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:31,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:31,162 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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdb248ef49e1ab3b05d5b0ae73a340b38ef25b27662d8a5cd45744a1950a5101 [2022-10-17 16:56:31,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:31,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:31,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:31,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:31,509 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:31,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/gcnr2008.i [2022-10-17 16:56:31,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/data/b3ff1191b/a551674a6033492fb7ac70f3ea0ea2d6/FLAG4f21cabee [2022-10-17 16:56:32,220 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:32,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/sv-benchmarks/c/loop-lit/gcnr2008.i [2022-10-17 16:56:32,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/data/b3ff1191b/a551674a6033492fb7ac70f3ea0ea2d6/FLAG4f21cabee [2022-10-17 16:56:32,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/data/b3ff1191b/a551674a6033492fb7ac70f3ea0ea2d6 [2022-10-17 16:56:32,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:32,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:32,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:32,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:32,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:32,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae51c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32, skipping insertion in model container [2022-10-17 16:56:32,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:32,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:32,686 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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/sv-benchmarks/c/loop-lit/gcnr2008.i[895,908] [2022-10-17 16:56:32,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:32,713 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:32,730 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_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/sv-benchmarks/c/loop-lit/gcnr2008.i[895,908] [2022-10-17 16:56:32,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:32,753 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:32,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32 WrapperNode [2022-10-17 16:56:32,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:32,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:32,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:32,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:32,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,800 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-10-17 16:56:32,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:32,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:32,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:32,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:32,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:32,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:32,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:32,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:32,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:32" (1/1) ... [2022-10-17 16:56:32,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:32,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:32,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:32,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:32,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:33,050 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:33,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:33,287 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:33,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:33,428 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:56:33,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:33 BoogieIcfgContainer [2022-10-17 16:56:33,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:33,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:33,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:33,445 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:33,445 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:33" (1/1) ... [2022-10-17 16:56:33,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:56:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:56:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:56:33,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:33,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:33,715 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 16:56:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:56:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:56:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:56:33,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:33,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:33,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:56:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:33,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:56:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:33,864 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:56:33,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:56:33 ImpRootNode [2022-10-17 16:56:33,897 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:56:33,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:56:33,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:56:33,898 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:56:33,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:33" (3/4) ... [2022-10-17 16:56:33,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:56:33,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:56:33,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:56:33,948 INFO L158 Benchmark]: Toolchain (without parser) took 1463.41ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 67.6MB in the end (delta: 12.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,950 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:33,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.70ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 70.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.37ms. Allocated memory is still 104.9MB. Free memory was 70.1MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,954 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:33,955 INFO L158 Benchmark]: RCFGBuilder took 600.26ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 81.4MB in the end (delta: -13.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,956 INFO L158 Benchmark]: CodeCheck took 464.65ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 69.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,958 INFO L158 Benchmark]: Witness Printer took 49.61ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:33,966 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int x,y,z,w; [L26] EXPR w = 0 [L26] EXPR z = w = 0 [L26] EXPR y = z = w = 0 [L26] x = y = z = w = 0 VAL [w=0, x=0, y=0, z=0] [L27] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) [L42] CALL __VERIFIER_assert(x >= 4 && y <= 2) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.70ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 70.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.37ms. Allocated memory is still 104.9MB. Free memory was 70.1MB in the beginning and 68.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.26ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 81.4MB in the end (delta: -13.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 464.65ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 69.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 49.61ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:56:34,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71e1a35-a37e-4c85-8c2f-4c2d72722a80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE