./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/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_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:23:27,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:23:27,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:23:27,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:23:27,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:23:27,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:23:27,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:23:27,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:23:27,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:23:27,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:23:27,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:23:27,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:23:27,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:23:27,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:23:27,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:23:27,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:23:27,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:23:27,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:23:27,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:23:27,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:23:27,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:23:27,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:23:27,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:23:27,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:23:27,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:23:27,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:23:27,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:23:27,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:23:27,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:23:27,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:23:27,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:23:27,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:23:27,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:23:27,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:23:27,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:23:27,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:23:27,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:23:27,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:23:27,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:23:27,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:23:27,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:23:27,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:23:27,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:23:27,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:23:27,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:23:27,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:23:27,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:23:27,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:23:27,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:23:27,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:23:27,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:23:27,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:23:27,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:23:27,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:23:27,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:23:27,382 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:23:27,382 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:23:27,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:23:27,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:23:27,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:23:27,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:23:27,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:23:27,383 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:23:27,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:23:27,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:23:27,384 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_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 [2022-12-14 23:23:27,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:23:27,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:23:27,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:23:27,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:23:27,607 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:23:27,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-12-14 23:23:30,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:23:30,384 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:23:30,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2022-12-14 23:23:30,394 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/data/e5906d277/52505de5d8a94dd1a7acc3909ee0507a/FLAGd596290a0 [2022-12-14 23:23:30,407 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/data/e5906d277/52505de5d8a94dd1a7acc3909ee0507a [2022-12-14 23:23:30,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:23:30,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:23:30,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:23:30,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:23:30,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:23:30,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:30,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5ea7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30, skipping insertion in model container [2022-12-14 23:23:30,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:30,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:23:30,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:23:30,608 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_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/sv-benchmarks/c/eca-rers2012/Problem11_label05.c[9225,9238] [2022-12-14 23:23:30,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:23:30,765 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:23:30,804 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_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/sv-benchmarks/c/eca-rers2012/Problem11_label05.c[9225,9238] [2022-12-14 23:23:30,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:23:30,912 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:23:30,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30 WrapperNode [2022-12-14 23:23:30,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:23:30,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:23:30,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:23:30,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:23:30,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:30,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,000 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 23:23:31,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:23:31,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:23:31,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:23:31,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:23:31,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:23:31,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:23:31,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:23:31,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:23:31,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:30" (1/1) ... [2022-12-14 23:23:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:23:31,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:23:31,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:23:31,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c4bac1-3656-4c08-b6d9-bbb847a5d754/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:23:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:23:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:23:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:23:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:23:31,179 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:23:31,181 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:23:32,351 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:23:36,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:23:36,324 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:23:36,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:23:36 BoogieIcfgContainer [2022-12-14 23:23:36,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:23:36,326 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:23:36,326 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:23:36,333 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:23:36,333 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:23:36" (1/1) ... [2022-12-14 23:23:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:23:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:23:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 23:23:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 23:23:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:23:36,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:23:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:23:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:23:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:23:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:23:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:23:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:23:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:23:36,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:23:36,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:23:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:24:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:24:18,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 23:24:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:24:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 23:24:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 23:24:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:24:18,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:24:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:24:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:25:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:25:45,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 23:25:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:25:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-12-14 23:25:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-12-14 23:25:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:25:47,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:25:47,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:25:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:27:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:27:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:27:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-14 23:27:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-14 23:27:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:27:06,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:27:06,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:27:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:32:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:32:35,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 23:32:37,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 23:32:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:32:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 96 transitions. [2022-12-14 23:32:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2022-12-14 23:32:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:32:38,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:32:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:32:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 113 transitions. [2022-12-14 23:37:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 113 transitions. [2022-12-14 23:37:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:37:51,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat