./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9 --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 64bit --witnessprinter.graph.data.programhash 0dd8fe71e3b230e27e0bcdd5294ae2e199a80395a1a4486d14620d239c5fffeb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:50:00,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:50:00,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:50:00,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:50:00,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:50:00,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:50:00,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:50:00,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:50:00,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:50:00,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:50:00,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:50:00,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:50:00,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:50:00,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:50:00,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:50:00,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:50:00,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:50:00,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:50:00,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:50:00,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:50:00,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:50:00,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:50:00,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:50:00,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:50:00,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:50:00,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:50:00,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:50:00,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:50:00,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:50:00,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:50:00,394 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_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dd8fe71e3b230e27e0bcdd5294ae2e199a80395a1a4486d14620d239c5fffeb [2023-12-03 01:50:00,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:50:00,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:50:00,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:50:00,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:50:00,675 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:50:00,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2023-12-03 01:50:03,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:50:03,952 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:50:03,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c [2023-12-03 01:50:03,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/data/d8a2ec9ee/eb2dc173d61d4cb4a562d00226353017/FLAG18f4763cd [2023-12-03 01:50:03,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/data/d8a2ec9ee/eb2dc173d61d4cb4a562d00226353017 [2023-12-03 01:50:03,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:50:03,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:50:03,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:50:03,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:50:03,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:50:03,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:50:03" (1/1) ... [2023-12-03 01:50:03,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddea16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:03, skipping insertion in model container [2023-12-03 01:50:03,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:50:03" (1/1) ... [2023-12-03 01:50:04,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:50:04,217 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_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1253,1266] [2023-12-03 01:50:04,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:50:04,405 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:50:04,415 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_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_2.c[1253,1266] [2023-12-03 01:50:04,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:50:04,553 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:50:04,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04 WrapperNode [2023-12-03 01:50:04,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:50:04,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:50:04,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:50:04,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:50:04,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,830 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1826 [2023-12-03 01:50:04,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:50:04,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:50:04,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:50:04,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:50:04,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:04,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:05,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:05,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:50:05,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:50:05,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:50:05,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:50:05,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:50:04" (1/1) ... [2023-12-03 01:50:05,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:50:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:50:05,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:50:05,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d693c1e-5193-4ddd-9d53-c4bd7ceabfc6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:50:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:50:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:50:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:50:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:50:05,333 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:50:05,335 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:50:07,166 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:50:10,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:50:10,029 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:50:10,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:50:10 BoogieIcfgContainer [2023-12-03 01:50:10,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:50:10,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:50:10,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:50:10,044 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:50:10,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:50:10" (1/1) ... [2023-12-03 01:50:10,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:50:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:50:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:50:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:50:10,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:10,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:50:21,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:31,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 01:50:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 01:50:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:50:31,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:31,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:51:16,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:26,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:38,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:41,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:42,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:52,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:02,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:04,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:14,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-12-03 01:52:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-12-03 01:52:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:52:14,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:46,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:56,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:06,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:16,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:27,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:37,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:43,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:53,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:03,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:13,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:23,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:34,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:44,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:54,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:04,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:06,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:16,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-12-03 01:56:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-12-03 01:56:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:56:16,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:59:23,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:31,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:41,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:43,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:59:54,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:04,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:24,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:32,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:42,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:52,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:02,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:09,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:19,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:30,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:40,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:01:50,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:00,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:10,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:20,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:30,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:41,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:50,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:52,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:02,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:05,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:15,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:25,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:35,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:45,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:48,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:58,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:08,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:19,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:29,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []