./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 --- 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 17:02:54,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:54,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:54,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:54,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:54,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:54,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:54,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:54,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:54,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:54,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:54,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:54,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:54,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:54,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:54,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:54,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:54,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:54,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:54,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:54,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:54,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:54,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:54,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:54,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:54,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:54,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:54,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:54,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:55,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:55,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:55,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:55,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:55,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:55,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:55,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:55,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:55,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:55,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:55,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:55,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:55,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:55,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:55,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:55,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:55,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:55,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:55,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:55,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:55,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:55,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:55,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:55,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:55,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:55,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:55,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:55,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:55,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:55,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:55,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:55,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:55,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:55,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:55,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:55,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:55,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:55,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:55,089 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:55,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:55,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:55,090 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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2022-10-17 17:02:55,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:55,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:55,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:55,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:55,435 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:55,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2022-10-17 17:02:55,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/data/f442dff49/c19a32f2e80d4c83a08b8aab79c1cd03/FLAGbf8e84404 [2022-10-17 17:02:55,995 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:55,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2022-10-17 17:02:56,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/data/f442dff49/c19a32f2e80d4c83a08b8aab79c1cd03/FLAGbf8e84404 [2022-10-17 17:02:56,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/data/f442dff49/c19a32f2e80d4c83a08b8aab79c1cd03 [2022-10-17 17:02:56,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:56,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:56,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:56,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:56,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:56,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d64851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56, skipping insertion in model container [2022-10-17 17:02:56,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:56,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:56,568 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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2022-10-17 17:02:56,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:56,590 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:56,604 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_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2022-10-17 17:02:56,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:56,621 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:56,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56 WrapperNode [2022-10-17 17:02:56,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:56,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:56,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:56,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:56,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,655 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-10-17 17:02:56,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:56,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:56,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:56,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:56,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:56,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:56,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:56,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:56,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:56,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:56,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:56,835 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:56,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:56,945 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:56,967 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:56,968 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:56,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:56 BoogieIcfgContainer [2022-10-17 17:02:56,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:56,972 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:56,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:56,982 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:56,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:56" (1/1) ... [2022-10-17 17:02:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:02:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:02:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:57,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:57,274 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 17:02:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-10-17 17:02:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-10-17 17:02:57,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:57,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:57,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:57,784 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 17:02:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 17:02:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 17:02:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:58,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,261 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 17:02:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-10-17 17:02:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-10-17 17:02:58,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:02:58,644 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-10-17 17:02:58,661 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:02:58,702 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-10-17 17:02:58,717 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:02:58,718 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:02:58,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:58 ImpRootNode [2022-10-17 17:02:58,718 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:58,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:58,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:58,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:58,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:56" (3/4) ... [2022-10-17 17:02:58,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:02:58,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:02:58,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:02:58,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:02:58,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:02:58,798 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:58,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:58,800 INFO L158 Benchmark]: Toolchain (without parser) took 2440.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 77.7MB in the end (delta: -15.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,801 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:58,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.84ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 86.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:58,803 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 59.9MB in the end (delta: 935.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,804 INFO L158 Benchmark]: RCFGBuilder took 292.48ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 50.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,805 INFO L158 Benchmark]: CodeCheck took 1746.93ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 80.7MB in the end (delta: -30.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,806 INFO L158 Benchmark]: Witness Printer took 78.29ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 77.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:58,814 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 19 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((2 * mid + lo <= hi && !(mid <= 0)) && hi <= 2 * mid + lo) || ((lo < hi + 1 && mid <= 0) && hi <= lo) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.84ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 86.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 59.9MB in the end (delta: 935.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.48ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 50.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1746.93ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 80.7MB in the end (delta: -30.4MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 78.29ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 77.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:02:58,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea3ac6d-f179-4ee8-993e-5a27ab8975e2/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 Result: TRUE