./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB --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 245fc9fd7d1856b9e3a0ba83da5d44244f493f3972910f1b254ef4afd37f84e2 --- 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-dbf71c6-m [2022-10-17 16:43:16,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:16,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:16,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:16,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:16,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:16,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:16,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:16,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:16,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:16,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:16,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:16,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:16,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:16,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:16,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:16,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:16,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:16,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:16,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:16,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:16,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:16,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:16,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:16,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:16,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:16,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:16,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:16,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:16,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:16,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:16,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:16,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:16,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:16,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:16,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:16,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:16,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:16,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:16,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:16,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:16,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:16,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:16,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:16,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:16,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:16,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:16,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:16,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:16,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:16,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:16,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:16,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:16,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:16,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:16,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:16,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:16,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:16,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:16,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:16,574 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:16,574 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:16,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:16,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:16,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:16,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:16,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:16,582 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:16,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:16,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:16,583 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_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 245fc9fd7d1856b9e3a0ba83da5d44244f493f3972910f1b254ef4afd37f84e2 [2022-10-17 16:43:16,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:16,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:16,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:16,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:16,886 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:16,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/fibo_20-2.c [2022-10-17 16:43:16,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/data/45a14d63f/83994bebf44c4c90af60d22744815247/FLAG242a2623c [2022-10-17 16:43:17,475 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:17,476 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/sv-benchmarks/c/recursive-simple/fibo_20-2.c [2022-10-17 16:43:17,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/data/45a14d63f/83994bebf44c4c90af60d22744815247/FLAG242a2623c [2022-10-17 16:43:17,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/data/45a14d63f/83994bebf44c4c90af60d22744815247 [2022-10-17 16:43:17,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:17,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:17,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:17,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:17,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:17,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:17" (1/1) ... [2022-10-17 16:43:17,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d1bddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:17, skipping insertion in model container [2022-10-17 16:43:17,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:17" (1/1) ... [2022-10-17 16:43:17,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:17,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:18,035 WARN L230 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_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/sv-benchmarks/c/recursive-simple/fibo_20-2.c[745,758] [2022-10-17 16:43:18,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:18,063 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:18,079 WARN L230 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_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/sv-benchmarks/c/recursive-simple/fibo_20-2.c[745,758] [2022-10-17 16:43:18,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:18,094 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:18,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18 WrapperNode [2022-10-17 16:43:18,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:18,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:18,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:18,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:18,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,131 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:43:18,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:18,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:18,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:18,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:18,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:18,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:18,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:18,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:18,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:18,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:18,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf328e7e-bf71-4c90-b8d3-e68b2f7f1c23/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2022-10-17 16:43:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2022-10-17 16:43:18,321 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:18,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:18,489 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:18,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:18,521 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:43:18,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:18 BoogieIcfgContainer [2022-10-17 16:43:18,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:18,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:18,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:18,539 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:18,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:18" (1/1) ... [2022-10-17 16:43:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:43:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:43:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:43:18,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:18,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2022-10-17 16:43:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:43:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:43:19,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2022-10-17 16:43:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:43:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:43:19,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:43:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2022-10-17 16:43:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:43:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:43:19,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:43:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2022-10-17 16:43:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:43:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:43:20,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:43:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2022-10-17 16:43:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-10-17 16:43:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:43:20,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:43:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2022-10-17 16:43:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-10-17 16:43:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:43:21,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:43:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2022-10-17 16:43:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:43:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:43:22,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-10-17 16:43:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2022-10-17 16:43:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2022-10-17 16:43:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:43:22,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:22,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 69 proven. 421 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2022-10-17 16:43:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 98 transitions. [2022-10-17 16:43:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2022-10-17 16:43:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-10-17 16:43:23,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:23,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 142 proven. 942 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2022-10-17 16:43:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 121 transitions. [2022-10-17 16:43:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2022-10-17 16:43:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-10-17 16:43:24,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2264 backedges. 447 proven. 412 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-10-17 16:43:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 51 states and 121 transitions. [2022-10-17 16:43:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 121 transitions. [2022-10-17 16:43:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-17 16:43:25,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:25,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 422 proven. 737 refuted. 0 times theorem prover too weak. 2171 trivial. 0 not checked. [2022-10-17 16:43:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 51 states and 119 transitions. [2022-10-17 16:43:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 119 transitions. [2022-10-17 16:43:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-10-17 16:43:25,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4536 backedges. 349 proven. 960 refuted. 0 times theorem prover too weak. 3227 trivial. 0 not checked. [2022-10-17 16:43:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 51 states and 118 transitions. [2022-10-17 16:43:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 118 transitions. [2022-10-17 16:43:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-10-17 16:43:26,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:26,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9549 backedges. 297 proven. 1714 refuted. 0 times theorem prover too weak. 7538 trivial. 0 not checked. [2022-10-17 16:43:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 56 states and 142 transitions. [2022-10-17 16:43:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2022-10-17 16:43:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-10-17 16:43:27,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6549 backedges. 1052 proven. 747 refuted. 0 times theorem prover too weak. 4750 trivial. 0 not checked. [2022-10-17 16:43:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 58 states and 143 transitions. [2022-10-17 16:43:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 143 transitions. [2022-10-17 16:43:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-10-17 16:43:29,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25265 backedges. 1149 proven. 3368 refuted. 0 times theorem prover too weak. 20748 trivial. 0 not checked. [2022-10-17 16:43:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 58 states and 142 transitions. [2022-10-17 16:43:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 142 transitions. [2022-10-17 16:43:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-10-17 16:43:31,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 32112 backedges. 615 proven. 3816 refuted. 0 times theorem prover too weak. 27681 trivial. 0 not checked. [2022-10-17 16:43:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 63 states and 168 transitions. [2022-10-17 16:43:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 168 transitions. [2022-10-17 16:43:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1305 [2022-10-17 16:43:33,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:33,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 102375 backedges. 1172 proven. 7996 refuted. 0 times theorem prover too weak. 93207 trivial. 0 not checked. [2022-10-17 16:43:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 68 states and 197 transitions. [2022-10-17 16:43:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 197 transitions. [2022-10-17 16:43:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1965 [2022-10-17 16:43:37,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 233217 backedges. 1705 proven. 13917 refuted. 0 times theorem prover too weak. 217595 trivial. 0 not checked. [2022-10-17 16:43:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 73 states and 229 transitions. [2022-10-17 16:43:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 229 transitions. [2022-10-17 16:43:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2022-10-17 16:43:43,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 2088 proven. 7177 refuted. 0 times theorem prover too weak. 81149 trivial. 0 not checked. [2022-10-17 16:43:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 75 states and 231 transitions. [2022-10-17 16:43:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 231 transitions. [2022-10-17 16:43:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1767 [2022-10-17 16:43:46,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms