./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:24,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:24,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:46:24,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:24,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:24,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:24,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:24,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:24,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:24,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:24,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:24,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:24,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:24,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:24,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:24,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:24,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:24,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:24,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:24,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:24,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:24,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:24,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:24,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:24,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:24,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:24,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:24,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:24,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:24,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:24,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:24,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:24,693 INFO L153 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_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 [2023-11-11 23:46:25,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:25,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:25,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:25,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:25,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:25,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/recursive/Fibonacci03.c [2023-11-11 23:46:28,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:28,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:28,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/sv-benchmarks/c/recursive/Fibonacci03.c [2023-11-11 23:46:28,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/data/42cecb1dc/de019c27ef974130a89ea98e8e719b5b/FLAGda42c7abd [2023-11-11 23:46:28,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/data/42cecb1dc/de019c27ef974130a89ea98e8e719b5b [2023-11-11 23:46:28,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:28,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:28,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:28,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:28,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:28,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:28" (1/1) ... [2023-11-11 23:46:28,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144dae6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:28, skipping insertion in model container [2023-11-11 23:46:28,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:28" (1/1) ... [2023-11-11 23:46:28,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:28,952 WARN L240 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_38a9390c-c88d-4049-8247-42a90e126d3b/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2023-11-11 23:46:28,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:28,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:28,986 WARN L240 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_38a9390c-c88d-4049-8247-42a90e126d3b/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2023-11-11 23:46:28,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:29,001 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:29,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29 WrapperNode [2023-11-11 23:46:29,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:29,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:29,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:29,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:29,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,039 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2023-11-11 23:46:29,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:29,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:29,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:29,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:29,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:29,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:29,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:29,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:29,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:29,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:29,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:29,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a9390c-c88d-4049-8247-42a90e126d3b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2023-11-11 23:46:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2023-11-11 23:46:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:29,217 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:29,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:29,388 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:29,409 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:29,409 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:29,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:29 BoogieIcfgContainer [2023-11-11 23:46:29,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:29,414 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:29,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:29,427 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:29,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-11 23:46:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-11 23:46:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:46:29,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:29,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-11 23:46:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-11 23:46:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:46:29,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:29,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-11 23:46:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-11 23:46:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:46:30,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:46:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 36 transitions. [2023-11-11 23:46:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-11 23:46:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:46:30,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:46:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 51 transitions. [2023-11-11 23:46:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2023-11-11 23:46:31,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:46:31,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-11 23:46:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 58 transitions. [2023-11-11 23:46:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2023-11-11 23:46:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:46:32,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:32,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:46:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 76 transitions. [2023-11-11 23:46:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2023-11-11 23:46:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-11 23:46:33,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-11 23:46:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 43 states and 75 transitions. [2023-11-11 23:46:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2023-11-11 23:46:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-11 23:46:34,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-11 23:46:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 95 transitions. [2023-11-11 23:46:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-11 23:46:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-11 23:46:34,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-11 23:46:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 57 states and 118 transitions. [2023-11-11 23:46:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 118 transitions. [2023-11-11 23:46:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-11 23:46:36,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 91 proven. 597 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2023-11-11 23:46:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 64 states and 144 transitions. [2023-11-11 23:46:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 144 transitions. [2023-11-11 23:46:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-11 23:46:37,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 686 proven. 842 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2023-11-11 23:46:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 64 states and 141 transitions. [2023-11-11 23:46:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 141 transitions. [2023-11-11 23:46:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-11 23:46:39,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 289 proven. 645 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2023-11-11 23:46:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 140 transitions. [2023-11-11 23:46:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 140 transitions. [2023-11-11 23:46:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-11 23:46:40,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:40,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 225 proven. 1327 refuted. 0 times theorem prover too weak. 4487 trivial. 0 not checked. [2023-11-11 23:46:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 166 transitions. [2023-11-11 23:46:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 166 transitions. [2023-11-11 23:46:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-11-11 23:46:42,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:42,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 32112 backedges. 552 proven. 3879 refuted. 0 times theorem prover too weak. 27681 trivial. 0 not checked. [2023-11-11 23:46:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 78 states and 195 transitions. [2023-11-11 23:46:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2023-11-11 23:46:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2023-11-11 23:46:44,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:44,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 57573 backedges. 1041 proven. 4246 refuted. 0 times theorem prover too weak. 52286 trivial. 0 not checked. [2023-11-11 23:46:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 78 states and 193 transitions. [2023-11-11 23:46:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 193 transitions. [2023-11-11 23:46:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-11 23:46:47,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:47,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39779 backedges. 1524 proven. 3691 refuted. 0 times theorem prover too weak. 34564 trivial. 0 not checked. [2023-11-11 23:46:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 78 states and 193 transitions. [2023-11-11 23:46:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 193 transitions. [2023-11-11 23:46:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1414 [2023-11-11 23:46:49,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:49,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 120157 backedges. 1789 proven. 11337 refuted. 0 times theorem prover too weak. 107031 trivial. 0 not checked. [2023-11-11 23:46:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 80 states and 195 transitions. [2023-11-11 23:46:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 195 transitions. [2023-11-11 23:46:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-11 23:46:55,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39779 backedges. 1524 proven. 3691 refuted. 0 times theorem prover too weak. 34564 trivial. 0 not checked. [2023-11-11 23:46:57,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 80 states and 195 transitions. [2023-11-11 23:46:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 195 transitions. [2023-11-11 23:46:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2023-11-11 23:46:57,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:57,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 53853 backedges. 3263 proven. 1099 refuted. 0 times theorem prover too weak. 49491 trivial. 0 not checked. [2023-11-11 23:46:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 80 states and 193 transitions. [2023-11-11 23:46:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 193 transitions. [2023-11-11 23:46:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2023-11-11 23:46:59,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 1192 proven. 7003 refuted. 0 times theorem prover too weak. 82219 trivial. 0 not checked. [2023-11-11 23:47:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 82 states and 195 transitions. [2023-11-11 23:47:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 195 transitions. [2023-11-11 23:47:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2023-11-11 23:47:01,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:01,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 57222 backedges. 1305 proven. 6532 refuted. 0 times theorem prover too weak. 49385 trivial. 0 not checked. [2023-11-11 23:47:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 84 states and 197 transitions. [2023-11-11 23:47:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 197 transitions. [2023-11-11 23:47:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1018 [2023-11-11 23:47:03,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:03,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 61929 backedges. 1200 proven. 5865 refuted. 0 times theorem prover too weak. 54864 trivial. 0 not checked. [2023-11-11 23:47:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 86 states and 199 transitions. [2023-11-11 23:47:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 199 transitions. [2023-11-11 23:47:05,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2023-11-11 23:47:05,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:05,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 2190 proven. 9477 refuted. 0 times theorem prover too weak. 66434 trivial. 0 not checked. [2023-11-11 23:47:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 88 states and 201 transitions. [2023-11-11 23:47:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 201 transitions. [2023-11-11 23:47:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2023-11-11 23:47:09,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat