./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/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 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac --- 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 16:44:34,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:34,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:34,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:34,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:34,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:34,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:34,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:34,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:34,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:34,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:34,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:34,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:34,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:34,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:34,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:34,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:34,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:34,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:34,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:34,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:34,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:34,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:34,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:34,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:34,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:34,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:34,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:34,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:34,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:34,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:34,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:34,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:34,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:34,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:34,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:34,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:34,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:34,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:34,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:34,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:34,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:34,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:34,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:34,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:34,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:34,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:34,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:34,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:34,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:34,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:34,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:34,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:34,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:34,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:34,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:34,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:34,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:34,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:34,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:34,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:34,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:34,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:34,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:34,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:34,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:34,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:34,702 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:34,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:34,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:34,703 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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 913532810d0d8500c0319fcb9379590edf3160d3500baf82e61ccc768f970fac [2022-10-17 16:44:35,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:35,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:35,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:35,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:35,095 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:35,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2022-10-17 16:44:35,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/data/f7fc8f9b3/f9f389821bfa4ed19172c6c6eec7e2df/FLAG69fe20d76 [2022-10-17 16:44:35,831 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:35,832 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/sv-benchmarks/c/eca-rers2012/Problem02_label25.c [2022-10-17 16:44:35,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/data/f7fc8f9b3/f9f389821bfa4ed19172c6c6eec7e2df/FLAG69fe20d76 [2022-10-17 16:44:36,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/data/f7fc8f9b3/f9f389821bfa4ed19172c6c6eec7e2df [2022-10-17 16:44:36,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:36,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:36,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:36,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:36,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:36,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3613f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36, skipping insertion in model container [2022-10-17 16:44:36,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:36,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:36,513 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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2022-10-17 16:44:36,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:36,567 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:36,687 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_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/sv-benchmarks/c/eca-rers2012/Problem02_label25.c[20652,20665] [2022-10-17 16:44:36,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:36,709 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:36,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36 WrapperNode [2022-10-17 16:44:36,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:36,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:36,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:36,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:36,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,819 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-10-17 16:44:36,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:36,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:36,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:36,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:36,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:36,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:36,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:36,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:36,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:36" (1/1) ... [2022-10-17 16:44:36,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:36,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:36,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:37,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:37,169 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:37,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:38,299 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:38,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:38,627 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:44:38,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:38 BoogieIcfgContainer [2022-10-17 16:44:38,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:38,632 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:38,633 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:38,644 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:38,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:38" (1/1) ... [2022-10-17 16:44:38,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-10-17 16:44:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-10-17 16:44:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:44:38,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:39,312 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 16:44:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-10-17 16:44:39,912 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-10-17 16:44:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:44:39,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 242 states and 357 transitions. [2022-10-17 16:44:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 357 transitions. [2022-10-17 16:44:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:44:40,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:40,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 246 states and 363 transitions. [2022-10-17 16:44:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 363 transitions. [2022-10-17 16:44:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:44:41,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 325 states and 444 transitions. [2022-10-17 16:44:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 444 transitions. [2022-10-17 16:44:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:44:42,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2022-10-17 16:44:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2022-10-17 16:44:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:44:43,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 338 states and 464 transitions. [2022-10-17 16:44:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 464 transitions. [2022-10-17 16:44:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:44:43,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 347 states and 477 transitions. [2022-10-17 16:44:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2022-10-17 16:44:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:44:43,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 352 states and 482 transitions. [2022-10-17 16:44:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 482 transitions. [2022-10-17 16:44:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:44:43,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 365 states and 499 transitions. [2022-10-17 16:44:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 499 transitions. [2022-10-17 16:44:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:44:44,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 372 states and 506 transitions. [2022-10-17 16:44:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 506 transitions. [2022-10-17 16:44:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 16:44:44,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 379 states and 513 transitions. [2022-10-17 16:44:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 513 transitions. [2022-10-17 16:44:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 16:44:44,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:44,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2022-10-17 16:44:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2022-10-17 16:44:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 16:44:44,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 385 states and 519 transitions. [2022-10-17 16:44:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 519 transitions. [2022-10-17 16:44:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 16:44:45,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 464 states and 601 transitions. [2022-10-17 16:44:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 601 transitions. [2022-10-17 16:44:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-17 16:44:46,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:44:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 478 states and 615 transitions. [2022-10-17 16:44:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 615 transitions. [2022-10-17 16:44:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-17 16:44:46,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:44:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 598 states and 744 transitions. [2022-10-17 16:44:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 744 transitions. [2022-10-17 16:44:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:44:48,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-10-17 16:44:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 599 states and 746 transitions. [2022-10-17 16:44:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2022-10-17 16:44:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 16:44:48,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:44:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 600 states and 746 transitions. [2022-10-17 16:44:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 746 transitions. [2022-10-17 16:44:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:44:48,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:44:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 601 states and 746 transitions. [2022-10-17 16:44:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 746 transitions. [2022-10-17 16:44:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-17 16:44:49,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:44:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 602 states and 746 transitions. [2022-10-17 16:44:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 746 transitions. [2022-10-17 16:44:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-17 16:44:49,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 37 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 720 states and 873 transitions. [2022-10-17 16:44:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 873 transitions. [2022-10-17 16:44:53,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:44:53,957 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-10-17 16:44:53,968 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:44:56,827 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-10-17 16:44:56,845 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-10-17 16:44:56,847 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:44:56,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:44:56 ImpRootNode [2022-10-17 16:44:56,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:44:56,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:44:56,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:44:56,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:44:56,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:38" (3/4) ... [2022-10-17 16:44:56,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:44:56,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-10-17 16:44:56,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-10-17 16:44:56,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 16:44:56,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:44:57,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:44:57,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:44:57,078 INFO L158 Benchmark]: Toolchain (without parser) took 20999.60ms. Allocated memory was 90.2MB in the beginning and 356.5MB in the end (delta: 266.3MB). Free memory was 65.6MB in the beginning and 119.0MB in the end (delta: -53.4MB). Peak memory consumption was 213.5MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,079 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:44:57,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.12ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 46.4MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.67ms. Allocated memory is still 90.2MB. Free memory was 46.4MB in the beginning and 41.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,081 INFO L158 Benchmark]: Boogie Preprocessor took 102.61ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 36.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,082 INFO L158 Benchmark]: RCFGBuilder took 1707.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 40.3MB in the end (delta: -3.7MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,082 INFO L158 Benchmark]: CodeCheck took 18218.01ms. Allocated memory was 109.1MB in the beginning and 356.5MB in the end (delta: 247.5MB). Free memory was 40.3MB in the beginning and 129.5MB in the end (delta: -89.2MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,083 INFO L158 Benchmark]: Witness Printer took 225.81ms. Allocated memory is still 356.5MB. Free memory was 129.5MB in the beginning and 119.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:44:57,086 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14788 SdHoareTripleChecker+Valid, 50.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14626 mSDsluCounter, 2460 SdHoareTripleChecker+Invalid, 40.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2015 mSDsCounter, 8737 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37666 IncrementalHoareTripleChecker+Invalid, 46403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8737 mSolverCounterUnsat, 445 mSDtfsCounter, 37666 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20084 GetRequests, 19605 SyntacticMatches, 351 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16613 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2480 NumberOfCodeBlocks, 2480 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2459 ConstructedInterpolants, 0 QuantifiedInterpolants, 7470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 787/915 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: 584]: 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: 39]: Loop Invariant Derived loop invariant: ((11 <= a28 || !(10 <= a28)) || !(7 == a17)) || !(a25 == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((11 <= a28 || !(10 <= a28)) || !(7 == a17)) || !(a25 == 1) - InvariantResult [Line: 610]: 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 90.2MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.12ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 46.4MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.67ms. Allocated memory is still 90.2MB. Free memory was 46.4MB in the beginning and 41.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.61ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 36.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1707.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 40.3MB in the end (delta: -3.7MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * CodeCheck took 18218.01ms. Allocated memory was 109.1MB in the beginning and 356.5MB in the end (delta: 247.5MB). Free memory was 40.3MB in the beginning and 129.5MB in the end (delta: -89.2MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. * Witness Printer took 225.81ms. Allocated memory is still 356.5MB. Free memory was 129.5MB in the beginning and 119.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:44:57,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc07c7c4-f2e3-47cb-841a-1243a6dd2da8/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