./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/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_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/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_58db4917-355a-4fcc-9840-aaafe174725a/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 79b7ed930517f0c303520f60ebdea461202c3431ddfaa74076064178b3e4d861 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:45:22,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:45:22,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:45:22,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:45:22,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:45:22,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:45:22,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:45:22,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:45:22,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:45:22,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:45:22,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:45:22,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:45:22,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:45:22,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:45:22,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:45:22,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:45:22,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:45:22,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:45:22,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:45:22,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:45:22,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:45:22,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:45:22,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:45:22,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:45:22,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:45:22,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:45:22,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:45:22,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:45:22,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:45:22,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:45:22,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:45:22,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:45:22,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:45:22,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:45:22,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:45:22,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:45:22,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:45:22,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:45:22,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:45:22,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:45:22,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:45:22,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:45:22,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:45:22,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:45:22,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:45:22,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:45:22,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:45:22,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:45:22,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:45:22,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:45:22,439 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:45:22,439 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:45:22,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:45:22,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:45:22,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:45:22,440 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_58db4917-355a-4fcc-9840-aaafe174725a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b7ed930517f0c303520f60ebdea461202c3431ddfaa74076064178b3e4d861 [2022-12-15 01:45:22,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:45:22,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:45:22,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:45:22,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:45:22,667 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:45:22,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label40.c [2022-12-15 01:45:25,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:45:25,465 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:45:25,465 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/sv-benchmarks/c/eca-rers2012/Problem14_label40.c [2022-12-15 01:45:25,480 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/data/9ba2196cd/b8c03028b4c74cafb152a6e5425ecae4/FLAGfaebeaea5 [2022-12-15 01:45:25,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/data/9ba2196cd/b8c03028b4c74cafb152a6e5425ecae4 [2022-12-15 01:45:25,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:45:25,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:45:25,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:45:25,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:45:25,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:45:25,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:25" (1/1) ... [2022-12-15 01:45:25,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6422cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:25, skipping insertion in model container [2022-12-15 01:45:25,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:25" (1/1) ... [2022-12-15 01:45:25,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:45:25,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:45:25,964 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_58db4917-355a-4fcc-9840-aaafe174725a/sv-benchmarks/c/eca-rers2012/Problem14_label40.c[2182,2195] [2022-12-15 01:45:26,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:45:26,116 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:45:26,131 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_58db4917-355a-4fcc-9840-aaafe174725a/sv-benchmarks/c/eca-rers2012/Problem14_label40.c[2182,2195] [2022-12-15 01:45:26,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:45:26,234 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:45:26,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26 WrapperNode [2022-12-15 01:45:26,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:45:26,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:45:26,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:45:26,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:45:26,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,303 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-15 01:45:26,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:45:26,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:45:26,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:45:26,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:45:26,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:45:26,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:45:26,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:45:26,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:45:26,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:26" (1/1) ... [2022-12-15 01:45:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:45:26,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:45:26,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:45:26,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58db4917-355a-4fcc-9840-aaafe174725a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:45:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:45:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:45:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:45:26,508 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:45:26,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:45:27,463 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:45:29,895 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:45:29,895 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:45:29,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:29 BoogieIcfgContainer [2022-12-15 01:45:29,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:45:29,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:45:29,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:45:29,906 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:45:29,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:29" (1/1) ... [2022-12-15 01:45:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:45:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:45:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:45:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:45:29,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:45:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:45:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:45:30,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:30,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:44,743 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 01:45:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-12-15 01:45:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-12-15 01:45:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:45:44,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-12-15 01:46:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-12-15 01:46:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:46:17,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-15 01:46:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-15 01:46:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:46:49,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:49,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2022-12-15 01:49:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2022-12-15 01:49:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:49:21,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:51:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2022-12-15 01:51:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2022-12-15 01:51:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:51:52,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2022-12-15 01:53:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2022-12-15 01:53:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:53:38,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 65 states and 134 transitions. [2022-12-15 01:57:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 134 transitions. [2022-12-15 01:57:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:57:42,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat