./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/iftelse.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_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/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_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/iftelse.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/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_4e3065be-d7e3-4d26-9b97-29216b6d196e/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 a98f1431f10d7e60a67a648eec648b7f5eb5616fa0d511e794bbda916609379b --- 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 22:08:14,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:08:14,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:08:14,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:08:14,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:08:14,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:08:14,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:08:14,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:08:14,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:08:14,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:08:14,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:08:14,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:08:14,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:08:14,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:08:14,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:08:14,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:08:14,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:08:14,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:08:14,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:08:14,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:08:14,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:08:14,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:08:14,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:08:14,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:08:14,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:08:14,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:08:14,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:08:14,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:08:14,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:08:14,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:08:14,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:08:14,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:08:14,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:08:14,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:08:14,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:08:14,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:08:14,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:08:14,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:08:14,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:08:14,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:08:14,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:08:14,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:08:14,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:08:14,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:08:14,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:08:14,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:08:14,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:08:14,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:08:14,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:08:14,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:08:14,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:08:14,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:08:14,226 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:08:14,226 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:08:14,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:08:14,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:14,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:08:14,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:08:14,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:08:14,227 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:08:14,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:08:14,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:08:14,227 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_4e3065be-d7e3-4d26-9b97-29216b6d196e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98f1431f10d7e60a67a648eec648b7f5eb5616fa0d511e794bbda916609379b [2022-12-14 22:08:14,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:08:14,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:08:14,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:08:14,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:08:14,417 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:08:14,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops-crafted-1/iftelse.c [2022-12-14 22:08:16,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:08:17,079 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:08:17,080 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/sv-benchmarks/c/loops-crafted-1/iftelse.c [2022-12-14 22:08:17,084 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/data/b2e8d2ba4/6fe87b7035294f0cab904864e24ac90c/FLAG9f0ca76bc [2022-12-14 22:08:17,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/data/b2e8d2ba4/6fe87b7035294f0cab904864e24ac90c [2022-12-14 22:08:17,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:08:17,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:08:17,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:17,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:08:17,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:08:17,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de91a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17, skipping insertion in model container [2022-12-14 22:08:17,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:08:17,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:08:17,235 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_4e3065be-d7e3-4d26-9b97-29216b6d196e/sv-benchmarks/c/loops-crafted-1/iftelse.c[406,419] [2022-12-14 22:08:17,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:17,257 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:08:17,268 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_4e3065be-d7e3-4d26-9b97-29216b6d196e/sv-benchmarks/c/loops-crafted-1/iftelse.c[406,419] [2022-12-14 22:08:17,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:17,284 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:08:17,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17 WrapperNode [2022-12-14 22:08:17,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:17,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:17,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:08:17,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:08:17,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,315 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-14 22:08:17,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:17,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:08:17,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:08:17,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:08:17,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:08:17,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:08:17,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:08:17,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:08:17,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:17,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:08:17,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:08:17,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3065be-d7e3-4d26-9b97-29216b6d196e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:08:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:08:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:08:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:08:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:08:17,449 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:08:17,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:08:17,536 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:08:17,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:08:17,564 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:08:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:17 BoogieIcfgContainer [2022-12-14 22:08:17,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:08:17,567 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:08:17,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:08:17,573 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:08:17,574 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:17" (1/1) ... [2022-12-14 22:08:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:08:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-14 22:08:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-14 22:08:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:08:17,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:18,076 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 22:08:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-12-14 22:08:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-12-14 22:08:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:08:18,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 22:08:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 22:08:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:08:18,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:18,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:18,802 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 22:08:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-14 22:08:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-14 22:08:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:08:19,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:19,960 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 22:08:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-14 22:08:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-14 22:08:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:08:20,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:21,243 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 22:08:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 22:08:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 22:08:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:08:22,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2022-12-14 22:08:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-12-14 22:08:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:08:24,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:24,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2022-12-14 22:08:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2022-12-14 22:08:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:08:27,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2022-12-14 22:08:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2022-12-14 22:08:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:08:30,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:30,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2022-12-14 22:08:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2022-12-14 22:08:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:08:31,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2022-12-14 22:08:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2022-12-14 22:08:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:08:37,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2022-12-14 22:08:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2022-12-14 22:08:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 22:08:39,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2022-12-14 22:08:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2022-12-14 22:08:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 22:08:45,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 117 transitions. [2022-12-14 22:08:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2022-12-14 22:08:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:08:47,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 71 states and 127 transitions. [2022-12-14 22:08:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 127 transitions. [2022-12-14 22:08:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:08:51,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:51,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 79 states and 142 transitions. [2022-12-14 22:08:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 142 transitions. [2022-12-14 22:08:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 22:08:57,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:57,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 80 states and 143 transitions. [2022-12-14 22:08:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 143 transitions. [2022-12-14 22:08:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 22:08:59,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:59,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 84 states and 150 transitions. [2022-12-14 22:09:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2022-12-14 22:09:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 22:09:05,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2022-12-14 22:09:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2022-12-14 22:09:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 22:09:14,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 93 states and 166 transitions. [2022-12-14 22:09:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2022-12-14 22:09:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 22:09:16,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 183 transitions. [2022-12-14 22:09:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2022-12-14 22:09:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 22:09:30,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:22:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:22:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 105 states and 190 transitions. [2022-12-14 22:22:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 190 transitions. [2022-12-14 22:22:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 22:22:37,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:22:37,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:22:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat