./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/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_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/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_c09bbca7-f50a-4829-8331-5e9a730c5400/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 3c0864484c3fbf854768e10eb10840f6301266ef3080d1cd3d797df7c0e5ed88 --- 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 19:52:45,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:52:45,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:52:45,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:52:45,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:52:45,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:52:45,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:52:45,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:52:45,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:52:45,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:52:45,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:52:45,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:52:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:52:45,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:52:45,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:52:45,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:52:45,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:52:45,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:52:45,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:52:45,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:52:45,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:52:45,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:52:45,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:52:45,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:52:45,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:52:45,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:52:45,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:52:45,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:52:45,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:52:45,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:52:45,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:52:45,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:52:45,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:52:45,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:52:45,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:52:45,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:52:45,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:52:45,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:52:45,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:52:45,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:52:45,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:52:45,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:52:45,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:52:45,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:52:45,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:52:45,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:52:45,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:52:45,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:52:45,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:52:45,103 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:52:45,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:52:45,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:52:45,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:52:45,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:52:45,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:52:45,105 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:52:45,105 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:52:45,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:52:45,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:52:45,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:52:45,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:52:45,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:52:45,106 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:52:45,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:52:45,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:52:45,107 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_c09bbca7-f50a-4829-8331-5e9a730c5400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c0864484c3fbf854768e10eb10840f6301266ef3080d1cd3d797df7c0e5ed88 [2022-12-14 19:52:45,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:52:45,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:52:45,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:52:45,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:52:45,291 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:52:45,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem18_label04.c [2022-12-14 19:52:47,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:52:48,155 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:52:48,156 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/sv-benchmarks/c/eca-rers2012/Problem18_label04.c [2022-12-14 19:52:48,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/data/2419b9c6d/9eb6c899ebae47699ed0a1f73edf5f9b/FLAGf4cdf1878 [2022-12-14 19:52:48,436 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/data/2419b9c6d/9eb6c899ebae47699ed0a1f73edf5f9b [2022-12-14 19:52:48,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:52:48,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:52:48,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:52:48,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:52:48,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:52:48,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:52:48" (1/1) ... [2022-12-14 19:52:48,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c010d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:48, skipping insertion in model container [2022-12-14 19:52:48,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:52:48" (1/1) ... [2022-12-14 19:52:48,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:52:48,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:52:48,664 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_c09bbca7-f50a-4829-8331-5e9a730c5400/sv-benchmarks/c/eca-rers2012/Problem18_label04.c[5507,5520] [2022-12-14 19:52:49,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:52:49,148 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:52:49,163 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_c09bbca7-f50a-4829-8331-5e9a730c5400/sv-benchmarks/c/eca-rers2012/Problem18_label04.c[5507,5520] [2022-12-14 19:52:49,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:52:49,454 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:52:49,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49 WrapperNode [2022-12-14 19:52:49,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:52:49,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:52:49,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:52:49,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:52:49,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,630 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2022-12-14 19:52:49,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:52:49,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:52:49,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:52:49,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:52:49,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:52:49,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:52:49,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:52:49,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:52:49,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:49" (1/1) ... [2022-12-14 19:52:49,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:52:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:52:49,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:52:49,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09bbca7-f50a-4829-8331-5e9a730c5400/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:52:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:52:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:52:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:52:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:52:49,937 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:52:49,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:52:52,527 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:53:49,331 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:53:49,332 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:53:49,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:53:49 BoogieIcfgContainer [2022-12-14 19:53:49,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:53:49,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:53:49,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:53:49,342 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:53:49,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:53:49" (1/1) ... [2022-12-14 19:53:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:53:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:53:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 19:53:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 19:53:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:53:49,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:53:49,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:53:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:53:49,562 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 19:53:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:53:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 19:53:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 19:53:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:53:50,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:53:50,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:53:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat