./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/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 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:40:48,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:48,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:49,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:49,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:49,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:49,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:49,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:49,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:49,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:49,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:49,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:49,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:49,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:49,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:49,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:49,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:49,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:49,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:49,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:49,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:49,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:49,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:49,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:49,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:49,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:49,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:49,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:49,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:49,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:49,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:49,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:49,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:49,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:49,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:49,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:49,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:49,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:49,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:49,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:49,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:49,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:49,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:49,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:49,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:49,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:49,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:49,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:49,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:49,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:49,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:49,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:49,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:49,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:49,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:49,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:49,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:49,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:49,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:49,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:49,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:49,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:49,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:49,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:49,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:49,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:49,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:49,123 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:49,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:49,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:49,124 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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c [2022-10-17 16:40:49,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:49,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:49,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:49,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:49,444 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:49,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2022-10-17 16:40:49,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/data/565676c5d/4832730f56e54c45a54c6d51d19ea5a9/FLAG4ca28bccc [2022-10-17 16:40:50,244 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:50,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2022-10-17 16:40:50,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/data/565676c5d/4832730f56e54c45a54c6d51d19ea5a9/FLAG4ca28bccc [2022-10-17 16:40:50,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/data/565676c5d/4832730f56e54c45a54c6d51d19ea5a9 [2022-10-17 16:40:50,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:50,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:50,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:50,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:50,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:50,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:50" (1/1) ... [2022-10-17 16:40:50,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ab4f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:50, skipping insertion in model container [2022-10-17 16:40:50,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:50" (1/1) ... [2022-10-17 16:40:50,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:50,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:51,213 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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2022-10-17 16:40:51,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:51,291 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:51,710 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_ea1fc803-9afa-42c2-9c5a-152743ff18bb/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2022-10-17 16:40:51,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:51,746 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:51,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51 WrapperNode [2022-10-17 16:40:51,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:51,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:51,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:51,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:51,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,944 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:40:51,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:51,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:51,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:51,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:51,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:51,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:52,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:52,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:52,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:52,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:51" (1/1) ... [2022-10-17 16:40:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:52,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:52,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:52,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1fc803-9afa-42c2-9c5a-152743ff18bb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:52,273 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:52,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:54,570 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:54,989 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:54,989 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:40:54,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:54 BoogieIcfgContainer [2022-10-17 16:40:54,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:54,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:54,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:55,006 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:55,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:54" (1/1) ... [2022-10-17 16:40:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:40:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:40:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:40:55,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2022-10-17 16:40:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2022-10-17 16:40:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:40:57,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2022-10-17 16:40:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2022-10-17 16:40:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:40:59,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2022-10-17 16:41:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2022-10-17 16:41:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:41:00,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:00,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 599 states and 967 transitions. [2022-10-17 16:41:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 967 transitions. [2022-10-17 16:41:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 16:41:03,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:03,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 618 states and 993 transitions. [2022-10-17 16:41:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 993 transitions. [2022-10-17 16:41:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:41:04,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:04,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 640 states and 1027 transitions. [2022-10-17 16:41:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1027 transitions. [2022-10-17 16:41:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:41:05,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:06,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 665 states and 1066 transitions. [2022-10-17 16:41:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1066 transitions. [2022-10-17 16:41:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:41:06,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:06,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 672 states and 1087 transitions. [2022-10-17 16:41:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1087 transitions. [2022-10-17 16:41:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:41:07,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 673 states and 1088 transitions. [2022-10-17 16:41:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1088 transitions. [2022-10-17 16:41:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:41:07,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:07,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 680 states and 1097 transitions. [2022-10-17 16:41:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1097 transitions. [2022-10-17 16:41:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:41:08,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:08,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 699 states and 1118 transitions. [2022-10-17 16:41:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1118 transitions. [2022-10-17 16:41:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:41:08,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:08,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:10,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 725 states and 1157 transitions. [2022-10-17 16:41:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1157 transitions. [2022-10-17 16:41:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:41:10,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 752 states and 1197 transitions. [2022-10-17 16:41:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1197 transitions. [2022-10-17 16:41:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:12,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:12,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 769 states and 1235 transitions. [2022-10-17 16:41:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1235 transitions. [2022-10-17 16:41:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:13,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:13,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 776 states and 1247 transitions. [2022-10-17 16:41:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1247 transitions. [2022-10-17 16:41:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:14,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 798 states and 1272 transitions. [2022-10-17 16:41:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1272 transitions. [2022-10-17 16:41:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:14,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 799 states and 1277 transitions. [2022-10-17 16:41:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1277 transitions. [2022-10-17 16:41:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:15,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:15,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.