./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/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 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 --- 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 16:55:46,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:46,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:46,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:46,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:46,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:46,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:46,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:46,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:46,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:46,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:46,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:46,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:46,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:46,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:46,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:46,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:46,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:46,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:46,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:46,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:46,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:46,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:46,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:46,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:46,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:46,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:46,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:46,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:46,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:46,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:46,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:46,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:46,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:46,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:46,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:46,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:46,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:46,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:46,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:46,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:46,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:46,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:46,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:46,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:46,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:46,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:46,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:46,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:46,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:46,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:46,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:46,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:46,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:46,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:46,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:46,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:46,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:46,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:46,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:46,892 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:46,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:46,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:46,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:46,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:46,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:46,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:46,895 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:46,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:46,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:46,896 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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2022-10-17 16:55:47,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:47,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:47,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:47,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:47,298 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:47,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2022-10-17 16:55:47,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/data/e4bf678d1/264ff31c3e4c467abc16317294bb134b/FLAGe7ca129bd [2022-10-17 16:55:47,930 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:47,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2022-10-17 16:55:47,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/data/e4bf678d1/264ff31c3e4c467abc16317294bb134b/FLAGe7ca129bd [2022-10-17 16:55:48,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/data/e4bf678d1/264ff31c3e4c467abc16317294bb134b [2022-10-17 16:55:48,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:48,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:48,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:48,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:48,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:48,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0165d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48, skipping insertion in model container [2022-10-17 16:55:48,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:48,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:48,638 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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2022-10-17 16:55:48,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:48,651 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:48,670 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_dbbe23ba-d842-4b16-bc4b-771bae2dd982/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2022-10-17 16:55:48,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:48,686 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:48,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48 WrapperNode [2022-10-17 16:55:48,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:48,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:48,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:48,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:48,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,727 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:55:48,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:48,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:48,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:48,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:48,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:48,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:48,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:48,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:48,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:48,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:48,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbe23ba-d842-4b16-bc4b-771bae2dd982/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-10-17 16:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-10-17 16:55:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-10-17 16:55:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-10-17 16:55:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:48,946 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:48,950 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:49,179 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:49,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:49,199 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:55:49,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:49 BoogieIcfgContainer [2022-10-17 16:55:49,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:49,203 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:49,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:49,217 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:49,217 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:49" (1/1) ... [2022-10-17 16:55:49,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-10-17 16:55:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-10-17 16:55:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:55:49,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:49,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:49,654 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 16:55:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-10-17 16:55:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-10-17 16:55:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:55:49,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:49,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:49,915 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 16:55:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-10-17 16:55:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-10-17 16:55:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:55:50,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:50,463 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 16:55:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 50 transitions. [2022-10-17 16:55:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2022-10-17 16:55:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:55:50,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:50,888 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 16:55:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 66 transitions. [2022-10-17 16:55:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2022-10-17 16:55:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:55:51,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:51,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:52,087 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 16:55:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 69 transitions. [2022-10-17 16:55:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2022-10-17 16:55:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:55:52,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:53,020 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 16:55:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 66 transitions. [2022-10-17 16:55:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-10-17 16:55:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:55:53,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:53,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:54,209 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 16:55:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 95 transitions. [2022-10-17 16:55:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2022-10-17 16:55:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:55:55,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:55,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:56,005 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 16:55:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 57 states and 94 transitions. [2022-10-17 16:55:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2022-10-17 16:55:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:55:56,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:56,920 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 16:55:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 104 transitions. [2022-10-17 16:55:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2022-10-17 16:55:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:55:59,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,344 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 16:56:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 72 states and 130 transitions. [2022-10-17 16:56:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 130 transitions. [2022-10-17 16:56:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:56:00,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 98 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-17 16:56:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 74 states and 132 transitions. [2022-10-17 16:56:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 132 transitions. [2022-10-17 16:56:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:56:01,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 98 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-17 16:56:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 76 states and 134 transitions. [2022-10-17 16:56:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2022-10-17 16:56:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-17 16:56:01,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:01,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:02,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 59 proven. 341 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2022-10-17 16:56:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 86 states and 162 transitions. [2022-10-17 16:56:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2022-10-17 16:56:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-17 16:56:04,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 49 proven. 241 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-10-17 16:56:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 88 states and 164 transitions. [2022-10-17 16:56:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2022-10-17 16:56:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:56:04,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 44 proven. 193 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-10-17 16:56:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 90 states and 166 transitions. [2022-10-17 16:56:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 166 transitions. [2022-10-17 16:56:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:56:05,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 116 proven. 121 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-10-17 16:56:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 92 states and 167 transitions. [2022-10-17 16:56:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 167 transitions. [2022-10-17 16:56:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-10-17 16:56:07,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2995 backedges. 88 proven. 588 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-10-17 16:56:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 104 states and 199 transitions. [2022-10-17 16:56:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 199 transitions. [2022-10-17 16:56:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-10-17 16:56:09,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:09,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 82 proven. 493 refuted. 0 times theorem prover too weak. 1670 trivial. 0 not checked. [2022-10-17 16:56:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 106 states and 201 transitions. [2022-10-17 16:56:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 201 transitions. [2022-10-17 16:56:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-10-17 16:56:10,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4405 backedges. 159 proven. 800 refuted. 0 times theorem prover too weak. 3446 trivial. 0 not checked. [2022-10-17 16:56:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 116 states and 234 transitions. [2022-10-17 16:56:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 234 transitions. [2022-10-17 16:56:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-10-17 16:56:13,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7277 backedges. 208 proven. 1069 refuted. 0 times theorem prover too weak. 6000 trivial. 0 not checked. [2022-10-17 16:56:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 118 states and 236 transitions. [2022-10-17 16:56:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 236 transitions. [2022-10-17 16:56:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-10-17 16:56:14,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:14,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat