./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/afnp2014.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_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/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_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/afnp2014.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/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_401bd8c2-adce-467f-8246-ea62e219be29/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 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a --- 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 16:50:49,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:49,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:49,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:49,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:49,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:49,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:49,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:49,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:49,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:49,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:49,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:49,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:49,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:49,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:49,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:49,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:49,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:49,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:49,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:49,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:49,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:49,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:49,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:49,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:49,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:49,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:49,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:49,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:50,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:50,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:50,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:50,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:50,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:50,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:50,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:50,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:50,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:50,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:50,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:50,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:50,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:50,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:50,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:50,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:50,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:50,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:50,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:50,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:50,036 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:50,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:50,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:50,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:50,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:50,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:50,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:50,038 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:50,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:50,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:50,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:50,039 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:50,039 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:50,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:50,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:50,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:50,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:50,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:50,041 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:50,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:50,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:50,041 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_401bd8c2-adce-467f-8246-ea62e219be29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a [2022-10-17 16:50:50,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:50,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:50,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:50,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:50,345 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:50,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/afnp2014.i [2022-10-17 16:50:50,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/data/fd56d3989/75206535bfec4a19ba737db9a6b0a60e/FLAG2b5d107e1 [2022-10-17 16:50:50,910 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:50,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/sv-benchmarks/c/loop-lit/afnp2014.i [2022-10-17 16:50:50,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/data/fd56d3989/75206535bfec4a19ba737db9a6b0a60e/FLAG2b5d107e1 [2022-10-17 16:50:51,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/data/fd56d3989/75206535bfec4a19ba737db9a6b0a60e [2022-10-17 16:50:51,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:51,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:51,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:51,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:51,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:51,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d116325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51, skipping insertion in model container [2022-10-17 16:50:51,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:51,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:51,560 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_401bd8c2-adce-467f-8246-ea62e219be29/sv-benchmarks/c/loop-lit/afnp2014.i[895,908] [2022-10-17 16:50:51,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:51,584 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:51,597 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_401bd8c2-adce-467f-8246-ea62e219be29/sv-benchmarks/c/loop-lit/afnp2014.i[895,908] [2022-10-17 16:50:51,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:51,614 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:51,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51 WrapperNode [2022-10-17 16:50:51,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:51,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:51,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:51,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:51,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,655 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2022-10-17 16:50:51,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:51,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:51,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:51,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:51,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:51,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:51,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:51,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:51,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:51" (1/1) ... [2022-10-17 16:50:51,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:51,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_401bd8c2-adce-467f-8246-ea62e219be29/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:51,842 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:51,844 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:51,989 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:52,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:52,016 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:52,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:52 BoogieIcfgContainer [2022-10-17 16:50:52,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:52,020 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:52,020 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:52,030 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:52,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:52" (1/1) ... [2022-10-17 16:50:52,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:50:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:50:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:50:52,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,220 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 16:50:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:50:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:50:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:52,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,515 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 16:50:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-10-17 16:50:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-10-17 16:50:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:52,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:50:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:50:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:52,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 16:50:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 16:50:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:53,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:50:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:50:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:53,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:53,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:50:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:50:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:54,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:54,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:50:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:50:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:50:54,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-10-17 16:50:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-10-17 16:50:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:55,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2022-10-17 16:50:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2022-10-17 16:50:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:56,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2022-10-17 16:50:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2022-10-17 16:50:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:50:58,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 68 transitions. [2022-10-17 16:50:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 68 transitions. [2022-10-17 16:50:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:50:59,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:59,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 76 transitions. [2022-10-17 16:51:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 76 transitions. [2022-10-17 16:51:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:51:01,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:01,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 37 states and 84 transitions. [2022-10-17 16:51:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 84 transitions. [2022-10-17 16:51:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:51:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 39 states and 93 transitions. [2022-10-17 16:51:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 93 transitions. [2022-10-17 16:51:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:51:06,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-10-17 16:51:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-10-17 16:51:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:51:09,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:09,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 43 states and 111 transitions. [2022-10-17 16:51:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 111 transitions. [2022-10-17 16:51:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:51:13,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 45 states and 121 transitions. [2022-10-17 16:51:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 121 transitions. [2022-10-17 16:51:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:51:18,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 47 states and 131 transitions. [2022-10-17 16:51:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 131 transitions. [2022-10-17 16:51:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:51:22,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat