./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.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_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/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_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/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_3a29e01d-1341-4d38-830e-a7aba8659766/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 78a4cc43ce1234c075e2c73cca2f6f44edddfccbee7278c746f2db07d17136bf --- 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 16:38:14,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:14,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:14,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:14,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:14,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:14,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:14,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:14,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:14,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:14,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:14,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:14,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:14,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:14,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:14,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:14,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:14,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:14,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:14,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:14,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:14,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:14,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:14,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:14,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:14,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:14,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:14,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:14,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:14,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:14,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:14,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:14,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:14,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:14,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:14,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:14,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:14,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:14,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:14,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:14,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:14,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:15,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:15,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:15,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:15,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:15,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:15,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:15,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:15,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:15,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:15,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:15,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:15,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:15,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:15,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:15,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:15,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:15,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:15,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:15,010 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:15,011 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:15,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:15,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:15,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:15,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:15,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:15,012 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:15,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:15,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:15,031 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_3a29e01d-1341-4d38-830e-a7aba8659766/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78a4cc43ce1234c075e2c73cca2f6f44edddfccbee7278c746f2db07d17136bf [2022-10-17 16:38:15,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:15,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:15,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:15,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:15,354 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:15,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2022-10-17 16:38:15,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/data/8dbe14e63/398b053612e94e74a6029af9e2b3578e/FLAG795061cf8 [2022-10-17 16:38:15,918 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:15,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2022-10-17 16:38:15,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/data/8dbe14e63/398b053612e94e74a6029af9e2b3578e/FLAG795061cf8 [2022-10-17 16:38:16,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/data/8dbe14e63/398b053612e94e74a6029af9e2b3578e [2022-10-17 16:38:16,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:16,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:16,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:16,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:16,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:16,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:16,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfe43e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16, skipping insertion in model container [2022-10-17 16:38:16,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:16,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:16,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:16,671 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_3a29e01d-1341-4d38-830e-a7aba8659766/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2022-10-17 16:38:16,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:16,774 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:16,852 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_3a29e01d-1341-4d38-830e-a7aba8659766/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2022-10-17 16:38:16,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:16,910 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:16,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16 WrapperNode [2022-10-17 16:38:16,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:16,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:16,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:16,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:16,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:16,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,040 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 637 [2022-10-17 16:38:17,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:17,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:17,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:17,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:17,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:17,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:17,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:17,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:17,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:16" (1/1) ... [2022-10-17 16:38:17,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:17,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:17,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a29e01d-1341-4d38-830e-a7aba8659766/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:17,256 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:17,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:18,290 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:18,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:18,603 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:38:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:18 BoogieIcfgContainer [2022-10-17 16:38:18,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:18,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:18,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:18,622 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:18,623 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:18" (1/1) ... [2022-10-17 16:38:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2022-10-17 16:38:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2022-10-17 16:38:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:38:18,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:27,918 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 16:38:34,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2022-10-17 16:38:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2022-10-17 16:38:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:38:34,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:34,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2022-10-17 16:38:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2022-10-17 16:38:39,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:38:39,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:39,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2022-10-17 16:38:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2022-10-17 16:38:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:38:43,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat