./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ --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 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:30:34,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:30:34,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:30:34,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:30:34,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:30:34,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:30:34,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:30:34,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:30:34,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:30:34,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:30:34,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:30:34,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:30:34,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:30:34,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:30:34,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:30:34,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:30:34,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:30:34,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:30:34,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:30:34,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:30:34,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:30:34,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:30:34,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:30:34,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:30:34,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:30:34,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:30:34,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:30:34,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:30:34,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:30:34,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:30:34,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:30:34,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:30:34,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:30:34,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:30:34,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:30:34,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:30:34,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:30:34,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:30:34,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:30:34,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:30:34,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:30:34,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:30:34,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:30:34,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:30:34,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:30:34,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:30:34,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:30:34,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:30:34,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:30:34,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:30:34,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:30:34,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:30:34,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:30:34,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:30:34,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:30:34,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:30:34,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:30:34,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:30:34,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:30:34,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:30:34,298 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:30:34,298 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:30:34,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:30:34,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:30:34,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:30:34,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:30:34,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:30:34,300 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:30:34,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:30:34,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:30:34,301 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_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b0a90f24476d3b8404a11c5a11650cef36326e0b80eb9bfd0bc8b7617d7b0d [2021-11-23 00:30:34,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:30:34,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:30:34,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:30:34,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:30:34,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:30:34,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2021-11-23 00:30:34,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/data/260b1b7d1/8ed245669fa647f39699580234e17e89/FLAG2e4292174 [2021-11-23 00:30:35,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:30:35,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2021-11-23 00:30:35,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/data/260b1b7d1/8ed245669fa647f39699580234e17e89/FLAG2e4292174 [2021-11-23 00:30:35,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/data/260b1b7d1/8ed245669fa647f39699580234e17e89 [2021-11-23 00:30:35,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:30:35,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:30:35,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:30:35,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:30:35,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:30:35,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:35,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501988f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35, skipping insertion in model container [2021-11-23 00:30:35,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:35,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:30:35,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:30:35,837 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_984695a7-f4d4-4711-9034-2163a2bd8eb7/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2021-11-23 00:30:35,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:30:35,855 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:30:35,928 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_984695a7-f4d4-4711-9034-2163a2bd8eb7/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c[8342,8355] [2021-11-23 00:30:35,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:30:35,954 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:30:35,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35 WrapperNode [2021-11-23 00:30:35,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:30:35,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:30:35,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:30:35,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:30:35,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:35,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,038 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 275 [2021-11-23 00:30:36,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:30:36,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:30:36,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:30:36,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:30:36,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:30:36,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:30:36,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:30:36,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:30:36,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:35" (1/1) ... [2021-11-23 00:30:36,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:30:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:30:36,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:30:36,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984695a7-f4d4-4711-9034-2163a2bd8eb7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:30:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:30:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:30:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:30:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:30:36,282 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:30:36,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:30:36,735 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:30:37,132 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:30:37,133 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:30:37,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:37 BoogieIcfgContainer [2021-11-23 00:30:37,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:30:37,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:30:37,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:30:37,171 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:30:37,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:37" (1/1) ... [2021-11-23 00:30:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:30:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:30:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:30:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:30:37,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:30:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:30:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:30:37,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:37,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:30:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:30:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:30:38,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 00:30:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 00:30:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:30:39,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:39,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-23 00:30:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-23 00:30:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:30:39,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:39,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2021-11-23 00:30:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-11-23 00:30:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:43,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:43,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2021-11-23 00:30:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2021-11-23 00:30:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:46,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:46,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:52,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2021-11-23 00:30:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2021-11-23 00:30:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:30:52,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:52,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2021-11-23 00:30:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2021-11-23 00:30:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:30:53,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:53,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2021-11-23 00:31:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-11-23 00:31:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:02,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:02,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 76 states and 146 transitions. [2021-11-23 00:31:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2021-11-23 00:31:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:06,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:06,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2021-11-23 00:31:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2021-11-23 00:31:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:13,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 88 states and 180 transitions. [2021-11-23 00:31:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 180 transitions. [2021-11-23 00:31:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:15,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2021-11-23 00:31:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2021-11-23 00:31:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:17,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 95 states and 192 transitions. [2021-11-23 00:31:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 192 transitions. [2021-11-23 00:31:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:31:18,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 120 states and 253 transitions. [2021-11-23 00:31:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 253 transitions. [2021-11-23 00:31:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:31:55,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 122 states and 261 transitions. [2021-11-23 00:32:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 261 transitions. [2021-11-23 00:32:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:00,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 141 states and 304 transitions. [2021-11-23 00:32:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 304 transitions. [2021-11-23 00:32:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:58,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 151 states and 335 transitions. [2021-11-23 00:33:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 335 transitions. [2021-11-23 00:33:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:08,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:31,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 157 states and 353 transitions. [2021-11-23 00:33:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 353 transitions. [2021-11-23 00:33:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:31,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:31,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 166 states and 370 transitions. [2021-11-23 00:33:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 370 transitions. [2021-11-23 00:33:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:53,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:53,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 173 states and 384 transitions. [2021-11-23 00:34:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 384 transitions. [2021-11-23 00:34:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:34:08,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:08,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 174 states and 390 transitions. [2021-11-23 00:34:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 390 transitions. [2021-11-23 00:34:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:34:09,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:09,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 190 states and 446 transitions. [2021-11-23 00:34:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 446 transitions. [2021-11-23 00:34:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:34:48,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:48,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 199 states and 464 transitions. [2021-11-23 00:35:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 464 transitions. [2021-11-23 00:35:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:03,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:03,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 205 states and 475 transitions. [2021-11-23 00:35:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 475 transitions. [2021-11-23 00:35:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:21,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 221 states and 515 transitions. [2021-11-23 00:35:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 515 transitions. [2021-11-23 00:35:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:56,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 227 states and 523 transitions. [2021-11-23 00:36:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 523 transitions. [2021-11-23 00:36:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:06,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 233 states and 544 transitions. [2021-11-23 00:36:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 544 transitions. [2021-11-23 00:36:14,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:14,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 239 states and 554 transitions. [2021-11-23 00:36:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 554 transitions. [2021-11-23 00:36:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:31,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 240 states and 556 transitions. [2021-11-23 00:36:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 556 transitions. [2021-11-23 00:36:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:33,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 245 states and 561 transitions. [2021-11-23 00:36:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 561 transitions. [2021-11-23 00:36:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:39,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:39,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 251 states and 572 transitions. [2021-11-23 00:36:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 572 transitions. [2021-11-23 00:36:48,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:48,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:48,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 260 states and 594 transitions. [2021-11-23 00:37:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 594 transitions. [2021-11-23 00:37:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:37:10,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:10,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 261 states and 595 transitions. [2021-11-23 00:37:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 595 transitions. [2021-11-23 00:37:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:37:13,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 268 states and 603 transitions. [2021-11-23 00:37:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 603 transitions. [2021-11-23 00:37:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:37:29,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:29,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 274 states and 612 transitions. [2021-11-23 00:37:36,798 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 612 transitions. [2021-11-23 00:37:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:37:36,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 308 states and 722 transitions. [2021-11-23 00:41:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 722 transitions. [2021-11-23 00:41:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:41:14,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:14,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 322 states and 750 transitions. [2021-11-23 00:42:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 750 transitions. [2021-11-23 00:42:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:42:47,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.