./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/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_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/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 64bit --witnessprinter.graph.data.programhash a7f8729fd4319b621c86c68f6e817e81bf32c59a9c6b3d7eb00e63f1d3b2ad48 --- 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 20:29:53,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:29:53,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:29:53,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:29:53,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:29:53,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:29:53,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:29:53,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:29:53,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:29:53,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:29:53,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:29:53,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:29:53,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:29:53,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:29:53,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:29:53,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:29:53,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:29:53,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:29:53,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:29:53,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:29:53,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:29:53,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:29:53,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:29:53,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:29:53,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:29:53,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:29:53,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:29:53,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:29:53,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:29:53,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:29:53,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:29:53,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:29:53,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:29:53,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:29:53,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:29:53,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:29:53,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:29:53,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:29:53,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:29:53,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:29:53,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:29:53,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 20:29:53,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:29:53,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:29:53,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:29:53,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:29:53,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:29:53,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:29:53,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:29:53,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:29:53,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:29:53,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:29:53,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:29:53,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:29:53,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:29:53,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:29:53,287 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_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7f8729fd4319b621c86c68f6e817e81bf32c59a9c6b3d7eb00e63f1d3b2ad48 [2022-12-14 20:29:53,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:29:53,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:29:53,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:29:53,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:29:53,472 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:29:53,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c [2022-12-14 20:29:56,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:29:56,343 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:29:56,343 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c [2022-12-14 20:29:56,369 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/data/204e4228f/050c51ecb6b347d19d777e26d29e9d66/FLAG4432bec21 [2022-12-14 20:29:56,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/data/204e4228f/050c51ecb6b347d19d777e26d29e9d66 [2022-12-14 20:29:56,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:29:56,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:29:56,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:29:56,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:29:56,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:29:56,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:29:56" (1/1) ... [2022-12-14 20:29:56,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d963c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:56, skipping insertion in model container [2022-12-14 20:29:56,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:29:56" (1/1) ... [2022-12-14 20:29:56,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:29:56,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:29:56,820 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_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c[1110,1123] [2022-12-14 20:29:57,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:29:57,209 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:29:57,220 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_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c[1110,1123] [2022-12-14 20:29:57,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:29:57,438 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:29:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57 WrapperNode [2022-12-14 20:29:57,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:29:57,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:29:57,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:29:57,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:29:57,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,617 INFO L138 Inliner]: procedures = 11, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4384 [2022-12-14 20:29:57,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:29:57,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:29:57,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:29:57,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:29:57,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,718 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:29:57,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:29:57,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:29:57,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:29:57,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:57" (1/1) ... [2022-12-14 20:29:57,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:29:57,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:29:57,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:29:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_235d3c34-6fe1-4257-97dd-b1b1a880f6fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:29:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:29:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:29:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:29:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:29:58,259 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:29:58,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:36:07,586 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:36:07,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:36:07,751 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:36:07,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:07 BoogieIcfgContainer [2022-12-14 20:36:07,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:36:07,753 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:36:07,753 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:36:07,760 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:36:07,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:07" (1/1) ... [2022-12-14 20:36:07,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:36:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 20:36:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 20:36:07,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:36:07,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:36:44,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:36:54,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:36:59,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:37:10,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:37:20,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:37:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2022-12-14 20:37:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-12-14 20:37:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:37:20,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:20,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:37:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-12-14 20:37:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-14 20:37:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:37:37,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:37,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:38:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-12-14 20:38:02,700 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-12-14 20:38:02,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:38:02,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:38:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-12-14 20:38:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-12-14 20:38:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:38:25,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:25,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:38:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2022-12-14 20:38:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2022-12-14 20:38:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:38:48,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:48,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:39:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2022-12-14 20:39:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-12-14 20:39:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:39:13,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:13,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:39:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2022-12-14 20:39:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-12-14 20:39:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:39:35,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:39:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2022-12-14 20:39:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-12-14 20:39:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:39:55,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:40:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2022-12-14 20:40:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2022-12-14 20:40:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:40:19,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:40:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2022-12-14 20:40:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2022-12-14 20:40:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:40:42,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:40:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:40:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:41:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2022-12-14 20:41:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2022-12-14 20:41:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:41:01,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:01,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:41:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2022-12-14 20:41:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-12-14 20:41:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:41:26,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:41:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-12-14 20:41:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-12-14 20:41:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:41:46,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:41:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:41:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:41:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:41:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-12-14 20:41:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-12-14 20:41:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:41:56,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:41:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:42:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2022-12-14 20:42:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2022-12-14 20:42:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:42:17,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:17,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:42:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:42:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:42:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2022-12-14 20:42:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2022-12-14 20:42:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:42:41,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:42:41,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:42:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:43:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2022-12-14 20:43:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2022-12-14 20:43:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:43:00,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:43:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:43:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2022-12-14 20:43:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2022-12-14 20:43:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:43:22,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:22,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:43:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:43:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2022-12-14 20:43:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2022-12-14 20:43:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:43:32,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:32,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:43:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:43:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:43:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:43:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2022-12-14 20:43:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2022-12-14 20:43:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:43:52,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:43:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 20:44:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2022-12-14 20:44:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2022-12-14 20:44:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:44:11,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms