./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4 --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 a89d84bd5ba7be4f0dd65175ec8306defa4dbffb80ed561405f3c49c492ca7cc --- 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-2329fc7 [2022-12-14 22:08:49,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:08:49,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:08:49,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:08:49,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:08:49,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:08:49,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:08:49,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:08:49,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:08:49,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:08:49,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:08:49,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:08:49,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:08:49,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:08:49,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:08:49,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:08:49,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:08:49,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:08:49,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:08:50,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:08:50,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:08:50,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:08:50,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:08:50,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:08:50,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:08:50,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:08:50,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:08:50,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:08:50,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:08:50,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:08:50,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:08:50,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:08:50,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:08:50,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:08:50,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:08:50,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:08:50,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:08:50,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:08:50,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:08:50,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:08:50,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:08:50,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:08:50,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:08:50,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:08:50,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:08:50,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:08:50,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:08:50,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:08:50,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:08:50,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:08:50,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:08:50,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:08:50,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:08:50,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:08:50,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:08:50,040 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:08:50,040 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:08:50,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:08:50,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:50,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:08:50,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:08:50,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:08:50,041 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:08:50,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:08:50,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:08:50,041 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_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a89d84bd5ba7be4f0dd65175ec8306defa4dbffb80ed561405f3c49c492ca7cc [2022-12-14 22:08:50,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:08:50,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:08:50,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:08:50,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:08:50,253 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:08:50,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem18_label45.c [2022-12-14 22:08:52,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:08:53,281 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:08:53,281 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/sv-benchmarks/c/eca-rers2012/Problem18_label45.c [2022-12-14 22:08:53,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/data/3a3ae3090/8eb04b360c1342feb1a6a264dd4beba8/FLAG0bea25ea9 [2022-12-14 22:08:53,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/data/3a3ae3090/8eb04b360c1342feb1a6a264dd4beba8 [2022-12-14 22:08:53,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:08:53,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:08:53,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:53,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:08:53,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:08:53,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:53" (1/1) ... [2022-12-14 22:08:53,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3526f9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:53, skipping insertion in model container [2022-12-14 22:08:53,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:53" (1/1) ... [2022-12-14 22:08:53,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:08:53,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:08:53,546 WARN L237 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_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/sv-benchmarks/c/eca-rers2012/Problem18_label45.c[3295,3308] [2022-12-14 22:08:54,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:54,107 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:08:54,124 WARN L237 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_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/sv-benchmarks/c/eca-rers2012/Problem18_label45.c[3295,3308] [2022-12-14 22:08:54,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:54,441 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:08:54,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54 WrapperNode [2022-12-14 22:08:54,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:54,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:54,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:08:54,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:08:54,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,620 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2022-12-14 22:08:54,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:54,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:08:54,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:08:54,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:08:54,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:08:54,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:08:54,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:08:54,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:08:54,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:54" (1/1) ... [2022-12-14 22:08:54,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:54,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:08:54,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:08:54,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b5945d-2f91-4b8a-80f1-3b1121fb6cbb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:08:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:08:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:08:54,975 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:08:54,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:08:57,721 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:09:53,328 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:09:53,328 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:09:53,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:09:53 BoogieIcfgContainer [2022-12-14 22:09:53,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:09:53,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:09:53,333 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:09:53,341 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:09:53,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:09:53" (1/1) ... [2022-12-14 22:09:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:09:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 22:09:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 22:09:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:09:53,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 22:09:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 22:09:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:09:53,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat