./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/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 d89b24ddcb39bc81f78fa19f2306b45fb625208ffa4463b75f31372afe08085d --- 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 16:37:38,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:38,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:38,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:38,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:38,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:38,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:38,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:38,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:38,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:38,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:38,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:38,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:38,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:38,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:38,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:38,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:38,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:38,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:38,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:38,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:38,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:38,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:38,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:38,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:38,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:38,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:38,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:38,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:38,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:38,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:38,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:38,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:38,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:38,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:38,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:38,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:38,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:38,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:38,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:38,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:38,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:38,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:38,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:38,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:38,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:38,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:38,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:38,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:38,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:38,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:38,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:38,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:38,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:38,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:38,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:38,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:38,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:38,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:38,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:38,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:38,624 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:38,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:38,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:38,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:38,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:38,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:38,625 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:38,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:38,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:38,626 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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d89b24ddcb39bc81f78fa19f2306b45fb625208ffa4463b75f31372afe08085d [2022-10-17 16:37:38,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:38,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:38,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:38,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:38,953 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:38,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2022-10-17 16:37:39,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/data/6dac7497b/e5ab248aff7c48d29b360fbba587b70c/FLAGbf3f53cd5 [2022-10-17 16:37:39,576 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:39,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2022-10-17 16:37:39,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/data/6dac7497b/e5ab248aff7c48d29b360fbba587b70c/FLAGbf3f53cd5 [2022-10-17 16:37:39,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/data/6dac7497b/e5ab248aff7c48d29b360fbba587b70c [2022-10-17 16:37:39,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:39,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:39,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:39,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:39,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:39,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:39" (1/1) ... [2022-10-17 16:37:39,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615e8cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:39, skipping insertion in model container [2022-10-17 16:37:39,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:39" (1/1) ... [2022-10-17 16:37:39,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:39,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:40,235 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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2022-10-17 16:37:40,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:40,248 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:40,271 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_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2022-10-17 16:37:40,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:40,288 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:40,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40 WrapperNode [2022-10-17 16:37:40,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:40,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:40,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:40,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:40,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,327 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:37:40,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:40,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:40,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:40,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:40,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:40,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:40,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:40,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:40,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:40,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:40,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:40,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ec72f1c-2b81-4445-8ca4-6d642f694eb8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-10-17 16:37:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-10-17 16:37:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-10-17 16:37:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-10-17 16:37:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:40,531 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:40,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:40,728 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:40,755 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:40,766 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:37:40,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:40 BoogieIcfgContainer [2022-10-17 16:37:40,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:40,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:40,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:40,794 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:40,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:40" (1/1) ... [2022-10-17 16:37:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-10-17 16:37:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-10-17 16:37:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:37:40,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:40,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,158 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 16:37:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2022-10-17 16:37:41,278 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-10-17 16:37:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:41,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,400 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 16:37:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 41 transitions. [2022-10-17 16:37:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-10-17 16:37:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:37:41,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2022-10-17 16:37:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2022-10-17 16:37:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:37:41,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 59 transitions. [2022-10-17 16:37:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-10-17 16:37:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:37:42,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 58 transitions. [2022-10-17 16:37:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-10-17 16:37:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:37:42,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:42,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:37:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 55 transitions. [2022-10-17 16:37:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-10-17 16:37:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:37:43,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:43,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 74 transitions. [2022-10-17 16:37:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-10-17 16:37:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:37:44,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:37:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 73 transitions. [2022-10-17 16:37:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2022-10-17 16:37:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:37:45,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:37:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 79 transitions. [2022-10-17 16:37:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2022-10-17 16:37:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:37:46,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-17 16:37:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 100 transitions. [2022-10-17 16:37:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2022-10-17 16:37:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-17 16:37:47,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:47,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 51 proven. 299 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-10-17 16:37:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 124 transitions. [2022-10-17 16:37:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2022-10-17 16:37:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-17 16:37:49,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 53 proven. 288 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-10-17 16:37:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 82 states and 151 transitions. [2022-10-17 16:37:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2022-10-17 16:37:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-10-17 16:37:50,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 207 proven. 1061 refuted. 0 times theorem prover too weak. 6022 trivial. 0 not checked. [2022-10-17 16:37:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 92 states and 181 transitions. [2022-10-17 16:37:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2022-10-17 16:37:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-10-17 16:37:52,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:52,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 254 proven. 527 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2022-10-17 16:37:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 92 states and 180 transitions. [2022-10-17 16:37:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2022-10-17 16:37:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-10-17 16:37:54,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4405 backedges. 463 proven. 462 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2022-10-17 16:37:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 94 states and 180 transitions. [2022-10-17 16:37:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 180 transitions. [2022-10-17 16:37:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2022-10-17 16:37:56,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:56,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16392 backedges. 272 proven. 1963 refuted. 0 times theorem prover too weak. 14157 trivial. 0 not checked. [2022-10-17 16:37:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 104 states and 211 transitions. [2022-10-17 16:37:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 211 transitions. [2022-10-17 16:37:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-10-17 16:37:58,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:58,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10845 backedges. 479 proven. 656 refuted. 0 times theorem prover too weak. 9710 trivial. 0 not checked. [2022-10-17 16:38:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:00,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 104 states and 208 transitions. [2022-10-17 16:38:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 208 transitions. [2022-10-17 16:38:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2022-10-17 16:38:00,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:00,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 44597 backedges. 2594 proven. 3374 refuted. 0 times theorem prover too weak. 38629 trivial. 0 not checked. [2022-10-17 16:38:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 104 states and 205 transitions. [2022-10-17 16:38:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 205 transitions. [2022-10-17 16:38:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1332 [2022-10-17 16:38:05,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat