./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.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_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/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_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/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_b73cb189-670f-48bc-a70e-e842fedbd05c/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 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:16:38,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:16:38,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:16:38,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:16:38,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:16:38,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:16:38,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:16:38,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:16:38,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:16:38,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:16:38,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:16:38,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:16:38,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:16:38,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:16:38,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:16:38,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:16:38,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:16:38,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:16:38,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:16:38,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:16:38,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:16:38,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:16:38,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:16:38,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:38,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:16:38,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:16:38,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:16:38,749 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:16:38,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:16:38,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:16:38,750 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_b73cb189-670f-48bc-a70e-e842fedbd05c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 [2023-12-02 23:16:38,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:16:38,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:16:38,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:16:38,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:16:38,981 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:16:38,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c [2023-12-02 23:16:42,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:42,432 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:42,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c [2023-12-02 23:16:42,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/data/3f312a4d5/f6c864b0cc5b441fbea1248cd7d18164/FLAG73b3f481e [2023-12-02 23:16:42,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/data/3f312a4d5/f6c864b0cc5b441fbea1248cd7d18164 [2023-12-02 23:16:42,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:42,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:42,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:42,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:42,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:42,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:42" (1/1) ... [2023-12-02 23:16:42,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a573f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:42, skipping insertion in model container [2023-12-02 23:16:42,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:42" (1/1) ... [2023-12-02 23:16:42,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:42,816 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_b73cb189-670f-48bc-a70e-e842fedbd05c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2023-12-02 23:16:43,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:43,319 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:43,334 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_b73cb189-670f-48bc-a70e-e842fedbd05c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2023-12-02 23:16:43,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:43,596 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:43,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43 WrapperNode [2023-12-02 23:16:43,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:43,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:43,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:43,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:43,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:43,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,324 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7358 [2023-12-02 23:16:44,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:44,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:44,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:44,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:44,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:44,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:45,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:45,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:45,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:45,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:45,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:43" (1/1) ... [2023-12-02 23:16:45,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:45,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:45,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:45,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b73cb189-670f-48bc-a70e-e842fedbd05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:16:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:16:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:16:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:45,597 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:45,599 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:50,219 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:59,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:59,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:16:59,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:59 BoogieIcfgContainer [2023-12-02 23:16:59,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:59,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:59,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:59,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:59,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:59" (1/1) ... [2023-12-02 23:16:59,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-12-02 23:16:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-12-02 23:16:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:16:59,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:59,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:17:54,588 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 [] [2023-12-02 23:18:05,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:15,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:25,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:35,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:46,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:56,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2023-12-02 23:18:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:18:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:18:56,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:56,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:20:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:20:59,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:09,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:19,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:29,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:21:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:21:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:21:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:21:29,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:22:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:22:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:22:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:22:38,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:23:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:23:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:23:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:23:42,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:25:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:25:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:25:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:25:11,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:25:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:25:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:25:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:25:39,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:39,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:26:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:26:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:26:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:26:38,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:28:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:28:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:28:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:28:54,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:54,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 23:30:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2023-12-02 23:30:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2023-12-02 23:30:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:30:14,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:14,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat