./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label34.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_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/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_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/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_478a75a5-70be-42e1-b589-efcd54c4682a/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 a342c32b3a906d782ffeb51d1d8c88255a892a6042ed92f6238731dda7f3b91e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:14,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:14,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:14,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:14,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:14,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:14,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:14,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:14,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:14,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:14,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:14,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:14,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:14,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:14,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:14,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:14,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:14,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:15,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:15,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:15,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:15,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:15,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:15,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:15,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:15,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:15,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:15,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:15,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:15,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:15,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:15,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:15,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:15,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:15,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:15,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:15,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:15,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:15,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:15,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:15,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:15,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:15,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:15,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:15,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:15,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:15,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:15,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:15,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:15,089 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:15,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:15,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:15,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:15,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:15,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:15,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:15,090 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:15,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:15,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:15,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:15,093 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:15,093 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:15,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:15,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:15,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:15,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:15,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:15,095 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:15,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:15,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:15,096 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_478a75a5-70be-42e1-b589-efcd54c4682a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a342c32b3a906d782ffeb51d1d8c88255a892a6042ed92f6238731dda7f3b91e [2022-10-17 17:00:15,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:15,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:15,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:15,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:15,441 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:15,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem11_label34.c [2022-10-17 17:00:15,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/data/df142bb35/357ab66e34fa408487a6d779f277a867/FLAG337699b3d [2022-10-17 17:00:16,167 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:16,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/sv-benchmarks/c/eca-rers2012/Problem11_label34.c [2022-10-17 17:00:16,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/data/df142bb35/357ab66e34fa408487a6d779f277a867/FLAG337699b3d [2022-10-17 17:00:16,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/data/df142bb35/357ab66e34fa408487a6d779f277a867 [2022-10-17 17:00:16,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:16,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:16,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:16,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:16,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:16,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:16,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500fed97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:16, skipping insertion in model container [2022-10-17 17:00:16,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:16" (1/1) ... [2022-10-17 17:00:16,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:16,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:16,710 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_478a75a5-70be-42e1-b589-efcd54c4682a/sv-benchmarks/c/eca-rers2012/Problem11_label34.c[1316,1329] [2022-10-17 17:00:17,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:17,093 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:17,106 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_478a75a5-70be-42e1-b589-efcd54c4682a/sv-benchmarks/c/eca-rers2012/Problem11_label34.c[1316,1329] [2022-10-17 17:00:17,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:17,281 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:17,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17 WrapperNode [2022-10-17 17:00:17,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:17,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:17,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:17,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:17,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,451 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-10-17 17:00:17,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:17,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:17,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:17,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:17,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:17,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:17,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:17,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:17,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:17" (1/1) ... [2022-10-17 17:00:17,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:17,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:17,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:17,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478a75a5-70be-42e1-b589-efcd54c4682a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:17,761 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:17,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:19,550 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:28,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:28,189 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:28,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:28 BoogieIcfgContainer [2022-10-17 17:00:28,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:28,193 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:28,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:28,204 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:28,205 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:28" (1/1) ... [2022-10-17 17:00:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:00:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:00:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:28,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 17:00:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 17:00:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:28,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat