./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label10.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_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/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_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/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_69d22a3d-3675-48dc-93f0-eb59b90463f5/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 7f151a13e47989a65c4ec5b5333c24fda53f0a15e0e3e933f79a23263bfef839 --- 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 23:59:05,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:59:05,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:59:05,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:59:05,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:59:05,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:59:05,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:59:05,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:59:05,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:59:05,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:59:05,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:59:05,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:59:05,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:59:05,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:59:05,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:59:05,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:59:05,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:59:05,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:59:05,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:59:05,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:59:05,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:59:05,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:59:05,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:59:05,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:59:05,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:59:05,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:59:05,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:59:05,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:59:05,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:59:05,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:59:05,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:59:05,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:59:05,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:59:05,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:59:05,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:59:05,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:59:05,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:59:05,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:59:05,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:59:05,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:59:05,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:59:05,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:59:05,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:59:05,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:59:05,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:59:05,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:59:05,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:59:05,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:59:05,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:59:05,183 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:59:05,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:59:05,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:59:05,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:59:05,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:59:05,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:59:05,184 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:59:05,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:59:05,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:59:05,184 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_69d22a3d-3675-48dc-93f0-eb59b90463f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f151a13e47989a65c4ec5b5333c24fda53f0a15e0e3e933f79a23263bfef839 [2022-12-14 23:59:05,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:59:05,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:59:05,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:59:05,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:59:05,375 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:59:05,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem15_label10.c [2022-12-14 23:59:08,043 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:59:08,332 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:59:08,332 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/sv-benchmarks/c/eca-rers2012/Problem15_label10.c [2022-12-14 23:59:08,351 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/data/aaa369799/f3f65d9f3c364643928f605699207bb0/FLAGd1d6e4547 [2022-12-14 23:59:08,364 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/data/aaa369799/f3f65d9f3c364643928f605699207bb0 [2022-12-14 23:59:08,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:59:08,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:59:08,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:59:08,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:59:08,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:59:08,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:59:08" (1/1) ... [2022-12-14 23:59:08,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b94394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:08, skipping insertion in model container [2022-12-14 23:59:08,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:59:08" (1/1) ... [2022-12-14 23:59:08,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:59:08,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:59:08,601 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_69d22a3d-3675-48dc-93f0-eb59b90463f5/sv-benchmarks/c/eca-rers2012/Problem15_label10.c[4275,4288] [2022-12-14 23:59:08,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:59:08,973 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:59:08,989 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_69d22a3d-3675-48dc-93f0-eb59b90463f5/sv-benchmarks/c/eca-rers2012/Problem15_label10.c[4275,4288] [2022-12-14 23:59:09,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:59:09,170 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:59:09,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09 WrapperNode [2022-12-14 23:59:09,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:59:09,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:59:09,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:59:09,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:59:09,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,353 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-12-14 23:59:09,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:59:09,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:59:09,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:59:09,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:59:09,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:59:09,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:59:09,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:59:09,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:59:09,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:59:09" (1/1) ... [2022-12-14 23:59:09,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:59:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:59:09,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:59:09,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d22a3d-3675-48dc-93f0-eb59b90463f5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:59:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:59:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:59:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:59:09,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:59:09,598 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:59:09,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:59:11,723 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:59:28,874 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:59:28,874 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:59:28,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:59:28 BoogieIcfgContainer [2022-12-14 23:59:28,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:59:28,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:59:28,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:59:28,883 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:59:28,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:59:28" (1/1) ... [2022-12-14 23:59:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:59:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 23:59:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 23:59:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:59:28,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:28,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:29,076 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 23:59:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:59:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:59:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:59:29,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:29,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:23,760 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 00:03:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-15 00:03:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-15 00:03:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:03:25,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:12:37,894 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 00:12:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:12:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-12-15 00:12:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-12-15 00:12:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:12:39,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:12:39,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:12:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat