./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.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_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/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_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/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_797734e0-9387-48ef-bc0d-e6a8cc72c296/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 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- 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 16:49:23,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:23,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:23,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:23,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:23,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:23,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:23,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:23,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:23,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:23,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:23,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:23,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:23,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:23,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:23,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:23,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:23,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:23,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:23,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:23,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:23,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:23,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:23,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:23,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:23,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:23,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:23,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:23,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:23,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:23,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:23,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:23,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:23,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:23,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:23,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:23,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:23,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:23,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:23,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:23,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:23,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:23,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:23,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:23,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:23,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:23,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:23,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:23,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:23,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:23,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:23,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:23,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:23,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:23,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:23,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:23,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:23,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:23,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:23,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:23,602 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:23,602 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:23,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:23,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:23,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:23,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:23,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:23,604 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:23,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:23,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:23,605 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_797734e0-9387-48ef-bc0d-e6a8cc72c296/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2022-10-17 16:49:23,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:23,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:23,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:23,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:23,995 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:23,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2022-10-17 16:49:24,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/data/11c006701/da783069286d4f5095177f448762b8ef/FLAGc92107973 [2022-10-17 16:49:24,564 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:24,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2022-10-17 16:49:24,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/data/11c006701/da783069286d4f5095177f448762b8ef/FLAGc92107973 [2022-10-17 16:49:24,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/data/11c006701/da783069286d4f5095177f448762b8ef [2022-10-17 16:49:24,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:24,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:24,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:24,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:24,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:24,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:24" (1/1) ... [2022-10-17 16:49:24,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da5591a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:24, skipping insertion in model container [2022-10-17 16:49:24,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:24" (1/1) ... [2022-10-17 16:49:24,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:24,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:25,261 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_797734e0-9387-48ef-bc0d-e6a8cc72c296/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2022-10-17 16:49:25,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:25,311 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:25,323 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_797734e0-9387-48ef-bc0d-e6a8cc72c296/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2022-10-17 16:49:25,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:25,347 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:25,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25 WrapperNode [2022-10-17 16:49:25,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:25,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:25,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:25,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:25,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,388 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 16:49:25,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:25,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:25,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:25,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:25,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:25,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:25,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:25,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:25,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:25,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:25,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:25,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797734e0-9387-48ef-bc0d-e6a8cc72c296/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:49:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:49:25,564 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:25,567 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:25,814 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:25,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:25,881 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:25,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:25 BoogieIcfgContainer [2022-10-17 16:49:25,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:25,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:25,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:25,916 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:25,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:25" (1/1) ... [2022-10-17 16:49:25,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:49:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:49:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:26,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:49:26,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:49:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:49:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:26,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:49:26,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:49:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2022-10-17 16:49:27,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 16:49:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:27,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:27,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:49:27,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:28,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:49:28,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:49:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:28,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:49:28,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:49:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:28,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:49:28,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:28,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:49:28,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:29,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:49:29,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:49:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:29,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:49:29,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:49:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:49:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:49:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:29,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:49:29,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-10-17 16:49:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:49:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:49:29,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:29,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:49:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:49:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 73 transitions. [2022-10-17 16:49:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2022-10-17 16:49:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:49:30,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:30,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:49:30,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:49:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 78 transitions. [2022-10-17 16:49:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 16:49:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:49:31,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:49:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 77 transitions. [2022-10-17 16:49:31,599 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 16:49:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:49:31,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:31,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:49:31,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:49:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 47 states and 91 transitions. [2022-10-17 16:49:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2022-10-17 16:49:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:49:32,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:32,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:33,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:49:33,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:49:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 101 transitions. [2022-10-17 16:49:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2022-10-17 16:49:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:49:34,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:34,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:34,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:49:34,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:49:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 55 states and 114 transitions. [2022-10-17 16:49:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2022-10-17 16:49:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:49:35,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:35,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:49:35,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:36,262 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:49:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:49:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 63 states and 134 transitions. [2022-10-17 16:49:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2022-10-17 16:49:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:49:40,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:40,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:49:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 68 states and 153 transitions. [2022-10-17 16:49:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 153 transitions. [2022-10-17 16:49:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:43,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:49:43,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:49:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 169 transitions. [2022-10-17 16:49:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 169 transitions. [2022-10-17 16:49:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:48,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:48,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:49:48,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:49:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 75 states and 173 transitions. [2022-10-17 16:49:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 173 transitions. [2022-10-17 16:49:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:49,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:49:49,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:49:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 76 states and 176 transitions. [2022-10-17 16:49:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 176 transitions. [2022-10-17 16:49:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:49:50,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:50,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:50,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.