./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label51.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_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/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_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/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_96b7d0f1-58d3-48b2-b048-47cab0376975/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 92bd949b2561b2bcfc98679470a8de610373426cb6f389e16ec7ae492ca89a10 --- 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 22:26:56,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:26:56,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:26:56,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:26:56,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:26:56,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:26:56,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:26:56,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:26:56,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:26:56,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:26:56,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:26:56,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:26:56,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:26:56,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:26:56,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:26:56,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:26:56,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:26:56,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:26:56,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:26:56,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:26:56,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:26:56,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:26:56,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:26:56,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:26:56,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:26:56,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:26:56,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:26:56,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:26:56,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:26:56,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:26:56,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:26:56,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:26:56,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:26:56,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:26:56,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:26:56,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:26:56,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:26:56,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:26:56,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:26:56,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:26:56,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:26:56,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:26:56,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:26:56,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:26:56,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:26:56,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:26:56,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:26:56,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:26:56,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:26:56,264 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:26:56,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:26:56,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:26:56,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:26:56,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:26:56,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:26:56,266 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:26:56,266 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:26:56,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:26:56,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:26:56,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:26:56,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:26:56,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:26:56,267 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:26:56,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:26:56,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:26:56,267 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_96b7d0f1-58d3-48b2-b048-47cab0376975/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92bd949b2561b2bcfc98679470a8de610373426cb6f389e16ec7ae492ca89a10 [2022-12-14 22:26:56,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:26:56,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:26:56,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:26:56,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:26:56,452 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:26:56,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem102_label51.c [2022-12-14 22:26:59,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:27:00,948 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:27:00,948 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/sv-benchmarks/c/eca-programs/Problem102_label51.c [2022-12-14 22:27:01,175 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/data/c1f7b96bb/3c7349233cf04d32929b8ae458991070/FLAGf3c0372fd [2022-12-14 22:27:01,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/data/c1f7b96bb/3c7349233cf04d32929b8ae458991070 [2022-12-14 22:27:01,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:27:01,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:27:01,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:27:01,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:27:01,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:27:01,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:27:01" (1/1) ... [2022-12-14 22:27:01,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3526f9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:01, skipping insertion in model container [2022-12-14 22:27:01,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:27:01" (1/1) ... [2022-12-14 22:27:01,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:27:02,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:27:24,520 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_96b7d0f1-58d3-48b2-b048-47cab0376975/sv-benchmarks/c/eca-programs/Problem102_label51.c[5708342,5708355] [2022-12-14 22:27:24,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:27:24,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:27:36,560 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_96b7d0f1-58d3-48b2-b048-47cab0376975/sv-benchmarks/c/eca-programs/Problem102_label51.c[5708342,5708355] [2022-12-14 22:27:36,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:27:39,535 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:27:39,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39 WrapperNode [2022-12-14 22:27:39,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:27:39,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:27:39,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:27:39,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:27:39,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:40,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:42,540 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-12-14 22:27:42,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:27:42,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:27:42,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:27:42,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:27:42,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:42,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:42,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:42,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:43,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:44,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:44,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:44,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:45,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:27:45,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:27:45,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:27:45,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:27:45,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:39" (1/1) ... [2022-12-14 22:27:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:27:45,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:27:45,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:27:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b7d0f1-58d3-48b2-b048-47cab0376975/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:27:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:27:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:27:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:27:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:27:45,299 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:27:45,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:28:44,076 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:29:57,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:29:57,128 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:29:57,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:29:57 BoogieIcfgContainer [2022-12-14 22:29:57,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:29:57,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:29:57,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:29:57,152 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:29:57,152 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:29:57" (1/1) ... [2022-12-14 22:29:57,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:29:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:29:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2022-12-14 22:29:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2022-12-14 22:29:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2022-12-14 22:29:59,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:29:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:30:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:31:24,962 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 22:32:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:32:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62982 states to 35806 states and 62982 transitions. [2022-12-14 22:32:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62982 transitions. [2022-12-14 22:32:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17867 [2022-12-14 22:32:26,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:32:26,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:32:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:33:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:33:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:33:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62988 states to 35810 states and 62988 transitions. [2022-12-14 22:33:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 35810 states and 62988 transitions. [2022-12-14 22:33:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2022-12-14 22:33:53,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:33:53,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:33:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:34:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:34:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:34:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62997 states to 35816 states and 62997 transitions. [2022-12-14 22:34:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 35816 states and 62997 transitions. [2022-12-14 22:34:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17871 [2022-12-14 22:34:58,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:34:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:34:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:35:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:35:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:35:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63009 states to 35824 states and 63009 transitions. [2022-12-14 22:35:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 35824 states and 63009 transitions. [2022-12-14 22:36:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17872 [2022-12-14 22:36:01,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat