./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label54.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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/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 074f0f5182634fdc5ccfd135e318122b5fe34f87968c20783a3cd81fa577fc3e --- 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 [2022-12-15 01:17:11,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:17:11,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:17:11,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:17:11,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:17:11,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:17:11,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:17:11,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:17:11,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:17:11,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:17:11,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:17:11,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:17:11,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:17:11,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:17:11,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:17:11,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:17:11,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:17:11,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:17:11,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:17:11,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:17:11,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:17:11,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:17:11,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:17:11,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:17:11,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:17:11,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:17:11,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:17:11,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:17:11,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:17:11,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:17:11,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:17:11,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:17:11,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:17:11,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:17:11,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:17:11,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:17:11,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:17:11,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:17:11,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:17:11,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:17:11,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:17:11,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:17:11,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:17:11,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:17:11,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:17:11,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:17:11,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:17:11,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:17:11,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:17:11,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:17:11,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:17:11,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:17:11,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:17:11,115 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:17:11,116 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:17:11,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:17:11,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:17:11,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:17:11,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:17:11,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:17:11,116 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:17:11,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:17:11,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:17:11,117 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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 074f0f5182634fdc5ccfd135e318122b5fe34f87968c20783a3cd81fa577fc3e [2022-12-15 01:17:11,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:17:11,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:17:11,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:17:11,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:17:11,334 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:17:11,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem103_label54.c [2022-12-15 01:17:13,934 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:17:15,904 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:17:15,905 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/sv-benchmarks/c/eca-programs/Problem103_label54.c [2022-12-15 01:17:16,174 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/data/99a4b2e01/f102d314d13d49cba8b70eb070584ae5/FLAG7936c5bf8 [2022-12-15 01:17:16,185 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/data/99a4b2e01/f102d314d13d49cba8b70eb070584ae5 [2022-12-15 01:17:16,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:17:16,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:17:16,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:17:16,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:17:16,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:17:16,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:16" (1/1) ... [2022-12-15 01:17:16,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2079f0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:16, skipping insertion in model container [2022-12-15 01:17:16,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:17:16" (1/1) ... [2022-12-15 01:17:16,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:17:17,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:17:41,844 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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/sv-benchmarks/c/eca-programs/Problem103_label54.c[6303334,6303347] [2022-12-15 01:17:41,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:17:41,988 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:17:55,274 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_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/sv-benchmarks/c/eca-programs/Problem103_label54.c[6303334,6303347] [2022-12-15 01:17:55,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:17:58,180 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:17:58,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58 WrapperNode [2022-12-15 01:17:58,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:17:58,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:17:58,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:17:58,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:17:58,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:17:58,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:01,155 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197824 [2022-12-15 01:18:01,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:18:01,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:18:01,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:18:01,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:18:01,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:01,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:01,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:01,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:02,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:03,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:03,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:03,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:04,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:18:04,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:18:04,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:18:04,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:18:04,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:17:58" (1/1) ... [2022-12-15 01:18:04,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:18:04,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:18:04,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:18:04,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a21e38f-dbd0-4582-a145-0ba67c6f9e66/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:18:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:18:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:18:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:18:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:18:04,253 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:18:04,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:19:11,125 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:19:58,833 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:19:58,833 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:19:58,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:19:58 BoogieIcfgContainer [2022-12-15 01:19:58,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:19:58,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:19:58,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:19:58,854 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:19:58,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:19:58" (1/1) ... [2022-12-15 01:19:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:19:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-15 01:19:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-15 01:20:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-15 01:20:00,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:21:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:22:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:22:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53170 states to 33007 states and 53170 transitions. [2022-12-15 01:22:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 53170 transitions. [2022-12-15 01:22:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16476 [2022-12-15 01:22:25,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:22:25,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:22:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:23:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53181 states to 33016 states and 53181 transitions. [2022-12-15 01:23:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 33016 states and 53181 transitions. [2022-12-15 01:23:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16479 [2022-12-15 01:23:42,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:24:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53196 states to 33028 states and 53196 transitions. [2022-12-15 01:24:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 33028 states and 53196 transitions. [2022-12-15 01:24:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16486 [2022-12-15 01:24:54,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:54,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53219 states to 33047 states and 53219 transitions. [2022-12-15 01:26:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33047 states and 53219 transitions. [2022-12-15 01:26:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16492 [2022-12-15 01:26:07,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:07,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53249 states to 33072 states and 53249 transitions. [2022-12-15 01:27:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 33072 states and 53249 transitions. [2022-12-15 01:27:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16494 [2022-12-15 01:27:17,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:17,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat