./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:02:45,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:02:45,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:02:45,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:02:45,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:02:45,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:02:45,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:02:45,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:02:45,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:02:45,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:02:45,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:02:45,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:02:45,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:02:45,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:02:45,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:02:45,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:02:45,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:02:45,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:02:45,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:02:45,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:02:45,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:02:45,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:02:45,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:02:45,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:02:45,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:02:45,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:02:45,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:02:45,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:02:45,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:02:45,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:02:45,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:02:45,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:02:45,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:02:45,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:02:45,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:02:45,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:02:45,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:02:45,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:02:45,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:02:45,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:02:45,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:02:45,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:02:45,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:02:45,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:02:45,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:02:45,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:02:45,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:02:45,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:02:45,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:02:45,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:02:45,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:02:45,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:02:45,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:02:45,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:02:45,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:02:45,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:02:45,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:02:45,372 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:02:45,372 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:02:45,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:45,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:02:45,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:02:45,373 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_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d [2022-12-15 00:02:45,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:02:45,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:02:45,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:02:45,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:02:45,560 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:02:45,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2022-12-15 00:02:48,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:02:48,281 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:02:48,282 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2022-12-15 00:02:48,285 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/data/4d9df6693/03f1ebc9b83b4c06acfc376906f43523/FLAG281a032ce [2022-12-15 00:02:48,295 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/data/4d9df6693/03f1ebc9b83b4c06acfc376906f43523 [2022-12-15 00:02:48,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:02:48,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:02:48,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:48,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:02:48,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:02:48,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b250d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48, skipping insertion in model container [2022-12-15 00:02:48,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:02:48,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:02:48,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2022-12-15 00:02:48,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:48,430 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:02:48,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2022-12-15 00:02:48,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:48,449 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:02:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48 WrapperNode [2022-12-15 00:02:48,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:48,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:48,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:02:48,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:02:48,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,473 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-12-15 00:02:48,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:48,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:02:48,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:02:48,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:02:48,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:02:48,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:02:48,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:02:48,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:02:48,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:02:48,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:02:48,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:02:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:02:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:02:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:02:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:02:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-12-15 00:02:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-12-15 00:02:48,603 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:02:48,605 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:02:48,671 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:02:48,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:02:48,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:02:48,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48 BoogieIcfgContainer [2022-12-15 00:02:48,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:02:48,690 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:02:48,690 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:02:48,697 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:02:48,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48" (1/1) ... [2022-12-15 00:02:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:02:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-12-15 00:02:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-15 00:02:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:02:48,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-12-15 00:02:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-15 00:02:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:02:48,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-12-15 00:02:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-15 00:02:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:02:49,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2022-12-15 00:02:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-15 00:02:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:02:49,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2022-12-15 00:02:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-15 00:02:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:02:49,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2022-12-15 00:02:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-12-15 00:02:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:02:49,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2022-12-15 00:02:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-12-15 00:02:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:02:49,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2022-12-15 00:02:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-15 00:02:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:02:50,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2022-12-15 00:02:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-12-15 00:02:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:02:50,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2022-12-15 00:02:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-12-15 00:02:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 00:02:50,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:50,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2022-12-15 00:02:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-12-15 00:02:50,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 00:02:50,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:50,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2022-12-15 00:02:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-12-15 00:02:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 00:02:51,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:51,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2022-12-15 00:02:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-12-15 00:02:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 00:02:51,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:51,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 81 transitions. [2022-12-15 00:02:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-12-15 00:02:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 00:02:51,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 87 transitions. [2022-12-15 00:02:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-12-15 00:02:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 00:02:52,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 93 transitions. [2022-12-15 00:02:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-12-15 00:02:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 00:02:52,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 99 transitions. [2022-12-15 00:02:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2022-12-15 00:02:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 00:02:52,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 105 transitions. [2022-12-15 00:02:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2022-12-15 00:02:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 00:02:53,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 111 transitions. [2022-12-15 00:02:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2022-12-15 00:02:54,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 00:02:54,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:54,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 117 transitions. [2022-12-15 00:02:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2022-12-15 00:02:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-15 00:02:54,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:54,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 123 transitions. [2022-12-15 00:02:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2022-12-15 00:02:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 00:02:55,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 129 transitions. [2022-12-15 00:02:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2022-12-15 00:02:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-15 00:02:55,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 135 transitions. [2022-12-15 00:02:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2022-12-15 00:02:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-15 00:02:55,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2022-12-15 00:02:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2022-12-15 00:02:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 00:02:56,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2022-12-15 00:02:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2022-12-15 00:02:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-15 00:02:56,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2022-12-15 00:02:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-12-15 00:02:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-15 00:02:56,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-12-15 00:02:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 155 transitions. [2022-12-15 00:02:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2022-12-15 00:02:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-15 00:02:57,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2022-12-15 00:02:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2022-12-15 00:02:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-15 00:02:57,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:57,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 201 transitions. [2022-12-15 00:02:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2022-12-15 00:02:58,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-15 00:02:58,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:58,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 222 transitions. [2022-12-15 00:02:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2022-12-15 00:02:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-15 00:02:59,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:02:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 137 states and 242 transitions. [2022-12-15 00:02:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2022-12-15 00:02:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-15 00:02:59,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 142 states and 261 transitions. [2022-12-15 00:03:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2022-12-15 00:03:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-15 00:03:00,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:00,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 279 transitions. [2022-12-15 00:03:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 279 transitions. [2022-12-15 00:03:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-15 00:03:01,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 152 states and 296 transitions. [2022-12-15 00:03:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 296 transitions. [2022-12-15 00:03:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-15 00:03:01,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:01,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 157 states and 312 transitions. [2022-12-15 00:03:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 312 transitions. [2022-12-15 00:03:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-15 00:03:02,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 162 states and 327 transitions. [2022-12-15 00:03:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2022-12-15 00:03:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-15 00:03:03,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 167 states and 341 transitions. [2022-12-15 00:03:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 341 transitions. [2022-12-15 00:03:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-15 00:03:04,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 172 states and 354 transitions. [2022-12-15 00:03:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 354 transitions. [2022-12-15 00:03:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-15 00:03:05,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:05,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 177 states and 366 transitions. [2022-12-15 00:03:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 366 transitions. [2022-12-15 00:03:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-15 00:03:05,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 182 states and 377 transitions. [2022-12-15 00:03:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 377 transitions. [2022-12-15 00:03:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-15 00:03:06,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:06,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 187 states and 387 transitions. [2022-12-15 00:03:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 387 transitions. [2022-12-15 00:03:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-15 00:03:07,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:07,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 192 states and 396 transitions. [2022-12-15 00:03:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 396 transitions. [2022-12-15 00:03:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-15 00:03:08,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 197 states and 404 transitions. [2022-12-15 00:03:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 404 transitions. [2022-12-15 00:03:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-15 00:03:09,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:09,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 202 states and 411 transitions. [2022-12-15 00:03:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2022-12-15 00:03:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-15 00:03:10,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 207 states and 417 transitions. [2022-12-15 00:03:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 417 transitions. [2022-12-15 00:03:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-15 00:03:11,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-15 00:03:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 208 states and 418 transitions. [2022-12-15 00:03:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2022-12-15 00:03:12,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:03:12,872 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-12-15 00:03:12,878 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 00:03:13,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:03:13 ImpRootNode [2022-12-15 00:03:13,338 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:03:13,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:03:13,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:03:13,339 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:03:13,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:48" (3/4) ... [2022-12-15 00:03:13,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:03:13,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-12-15 00:03:13,347 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-15 00:03:13,347 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 00:03:13,347 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:03:13,347 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:03:13,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:03:13,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:03:13,368 INFO L158 Benchmark]: Toolchain (without parser) took 25069.89ms. Allocated memory was 127.9MB in the beginning and 339.7MB in the end (delta: 211.8MB). Free memory was 88.7MB in the beginning and 220.0MB in the end (delta: -131.3MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,368 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:03:13,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.90ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 78.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.83ms. Allocated memory is still 127.9MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:03:13,369 INFO L158 Benchmark]: Boogie Preprocessor took 11.76ms. Allocated memory is still 127.9MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 885.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,369 INFO L158 Benchmark]: RCFGBuilder took 203.08ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 66.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,370 INFO L158 Benchmark]: CodeCheck took 24648.21ms. Allocated memory was 127.9MB in the beginning and 339.7MB in the end (delta: 211.8MB). Free memory was 66.2MB in the beginning and 222.1MB in the end (delta: -155.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,370 INFO L158 Benchmark]: Witness Printer took 29.35ms. Allocated memory is still 339.7MB. Free memory was 222.1MB in the beginning and 220.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:03:13,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.2s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5861 SdHoareTripleChecker+Valid, 32.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5609 mSDsluCounter, 4742 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 804 mSDsCounter, 14763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38354 IncrementalHoareTripleChecker+Invalid, 53117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14763 mSolverCounterUnsat, 3938 mSDtfsCounter, 38354 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57131 GetRequests, 56785 SyntacticMatches, 6 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47631 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 4523 NumberOfCodeBlocks, 4523 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4478 ConstructedInterpolants, 0 QuantifiedInterpolants, 8892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 21788/35718 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.90ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 78.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.83ms. Allocated memory is still 127.9MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.76ms. Allocated memory is still 127.9MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 885.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 203.08ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 66.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 24648.21ms. Allocated memory was 127.9MB in the beginning and 339.7MB in the end (delta: 211.8MB). Free memory was 66.2MB in the beginning and 222.1MB in the end (delta: -155.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Witness Printer took 29.35ms. Allocated memory is still 339.7MB. Free memory was 222.1MB in the beginning and 220.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:03:13,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a165c3c-fba8-42ee-8a62-4b9a14280a35/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE