./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/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 372b0f8557f493ed9d29c5f8057b8dc54ad330866696fd4878e863a88379edbf --- 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 16:39:08,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:08,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:08,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:08,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:08,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:08,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:08,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:08,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:08,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:08,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:08,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:08,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:08,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:08,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:08,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:08,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:08,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:08,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:08,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:08,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:08,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:08,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:08,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:08,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:08,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:08,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:08,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:08,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:08,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:08,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:08,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:08,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:08,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:08,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:08,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:09,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:09,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:09,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:09,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:09,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:09,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:09,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:09,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:09,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:09,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:09,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:09,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:09,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:09,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:09,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:09,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:09,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:09,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:09,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:09,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:09,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:09,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:09,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:09,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:09,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:09,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:09,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:09,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:09,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:09,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:09,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:09,096 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:09,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:09,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:09,097 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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372b0f8557f493ed9d29c5f8057b8dc54ad330866696fd4878e863a88379edbf [2022-10-17 16:39:09,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:09,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:09,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:09,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:09,453 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:09,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2022-10-17 16:39:09,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/data/46ba22fd2/204b2bef37f94af9bc9292784ff4fbdd/FLAGbe1d5a74a [2022-10-17 16:39:10,292 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:10,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2022-10-17 16:39:10,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/data/46ba22fd2/204b2bef37f94af9bc9292784ff4fbdd/FLAGbe1d5a74a [2022-10-17 16:39:10,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/data/46ba22fd2/204b2bef37f94af9bc9292784ff4fbdd [2022-10-17 16:39:10,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:10,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:10,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:10,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:10,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:10,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:10" (1/1) ... [2022-10-17 16:39:10,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2095190d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:10, skipping insertion in model container [2022-10-17 16:39:10,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:10" (1/1) ... [2022-10-17 16:39:10,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:10,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:11,346 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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/sv-benchmarks/c/eca-rers2012/Problem03_label29.c[58258,58271] [2022-10-17 16:39:11,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:11,401 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:11,765 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_982223cb-c8f6-4d3f-9272-70f0c7b6398f/sv-benchmarks/c/eca-rers2012/Problem03_label29.c[58258,58271] [2022-10-17 16:39:11,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:11,797 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:11,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11 WrapperNode [2022-10-17 16:39:11,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:11,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:11,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:11,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:11,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:11,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:11,995 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:39:11,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:11,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:11,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:11,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:12,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:12,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:12,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:12,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:12,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:11" (1/1) ... [2022-10-17 16:39:12,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:12,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:12,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982223cb-c8f6-4d3f-9272-70f0c7b6398f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:12,412 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:12,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:14,688 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:15,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:15,156 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:15,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:15 BoogieIcfgContainer [2022-10-17 16:39:15,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:15,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:15,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:15,172 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:15,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:15" (1/1) ... [2022-10-17 16:39:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:39:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:39:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:39:15,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:16,478 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 16:39:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 289 states and 460 transitions. [2022-10-17 16:39:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 460 transitions. [2022-10-17 16:39:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:39:17,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:17,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:18,597 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 16:39:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 437 states and 643 transitions. [2022-10-17 16:39:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 643 transitions. [2022-10-17 16:39:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:39:20,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 444 states and 653 transitions. [2022-10-17 16:39:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 653 transitions. [2022-10-17 16:39:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:39:20,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:20,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 455 states and 683 transitions. [2022-10-17 16:39:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 683 transitions. [2022-10-17 16:39:22,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:39:22,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:22,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 610 states and 891 transitions. [2022-10-17 16:39:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 891 transitions. [2022-10-17 16:39:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-10-17 16:39:25,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:25,269 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 16:39:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 619 states and 917 transitions. [2022-10-17 16:39:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 917 transitions. [2022-10-17 16:39:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:39:26,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 629 states and 937 transitions. [2022-10-17 16:39:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 937 transitions. [2022-10-17 16:39:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 16:39:27,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 635 states and 945 transitions. [2022-10-17 16:39:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 945 transitions. [2022-10-17 16:39:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:39:28,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:28,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 636 states and 948 transitions. [2022-10-17 16:39:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 948 transitions. [2022-10-17 16:39:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:39:28,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:28,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 642 states and 957 transitions. [2022-10-17 16:39:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 957 transitions. [2022-10-17 16:39:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:39:29,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 652 states and 969 transitions. [2022-10-17 16:39:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 969 transitions. [2022-10-17 16:39:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:39:30,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:30,638 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 16:39:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 679 states and 1005 transitions. [2022-10-17 16:39:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1005 transitions. [2022-10-17 16:39:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 16:39:31,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 691 states and 1020 transitions. [2022-10-17 16:39:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1020 transitions. [2022-10-17 16:39:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 16:39:32,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:32,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 697 states and 1026 transitions. [2022-10-17 16:39:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1026 transitions. [2022-10-17 16:39:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 16:39:32,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 705 states and 1037 transitions. [2022-10-17 16:39:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1037 transitions. [2022-10-17 16:39:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 16:39:33,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:33,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.