./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3 --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 55174d57a7ff658d3e2bb19a270bf1e1b45e38bf76abf32ab9f67d62f4887247 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:10:27,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:10:27,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-24 18:10:27,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:10:27,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:10:27,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:10:27,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:10:27,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:10:27,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:10:27,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:10:27,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:10:27,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:10:27,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:10:27,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:10:27,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:27,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:10:27,819 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:10:27,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:10:27,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3 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 -> 55174d57a7ff658d3e2bb19a270bf1e1b45e38bf76abf32ab9f67d62f4887247 [2024-11-24 18:10:28,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:10:28,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:10:28,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:10:28,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:10:28,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:10:28,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2024-11-24 18:10:31,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/data/987d14501/5b3eb4fa20ed4043996b88727f3f6208/FLAG72053ff3b [2024-11-24 18:10:31,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:10:31,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c [2024-11-24 18:10:31,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/data/987d14501/5b3eb4fa20ed4043996b88727f3f6208/FLAG72053ff3b [2024-11-24 18:10:31,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/data/987d14501/5b3eb4fa20ed4043996b88727f3f6208 [2024-11-24 18:10:31,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:10:31,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:10:31,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:31,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:10:31,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:10:31,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:31" (1/1) ... [2024-11-24 18:10:31,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298b3295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:31, skipping insertion in model container [2024-11-24 18:10:31,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:10:31" (1/1) ... [2024-11-24 18:10:32,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:10:32,258 WARN L250 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_eabffc42-6147-4fd6-84f8-1d675377fea9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1247,1260] [2024-11-24 18:10:32,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:32,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:10:32,746 WARN L250 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_eabffc42-6147-4fd6-84f8-1d675377fea9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.usb_phy.c[1247,1260] [2024-11-24 18:10:33,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:10:33,019 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:10:33,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33 WrapperNode [2024-11-24 18:10:33,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:10:33,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:33,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:10:33,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:10:33,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,530 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4142 [2024-11-24 18:10:33,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:10:33,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:10:33,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:10:33,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:10:33,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:33,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:34,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:10:34,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:10:34,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:10:34,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:10:34,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:10:33" (1/1) ... [2024-11-24 18:10:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:10:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:10:34,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:10:34,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eabffc42-6147-4fd6-84f8-1d675377fea9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:10:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:10:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:10:34,764 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:10:34,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:10:40,298 INFO L? ?]: Removed 2449 outVars from TransFormulas that were not future-live. [2024-11-24 18:10:40,298 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:10:45,550 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:10:45,550 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:10:45,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:45 BoogieIcfgContainer [2024-11-24 18:10:45,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:10:45,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:10:45,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:10:45,563 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:10:45,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:10:45" (1/1) ... [2024-11-24 18:10:45,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:10:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:10:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:10:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:10:45,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:45,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:00,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:11:10,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:11:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-24 18:11:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-24 18:11:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:11:10,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:10,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:11:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:33,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:12:43,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:12:49,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:12:59,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:01,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:12,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:22,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:32,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:43,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:13:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-24 18:13:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-24 18:13:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:13:43,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:14:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:53,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:03,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:14,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:24,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:34,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:41,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:20:51,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:02,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:06,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:08,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:14,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:24,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:34,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:44,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:21:54,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:04,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:14,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:35,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:45,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:22:55,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:05,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:16,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:26,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:36,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:23:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2024-11-24 18:23:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2024-11-24 18:23:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:23:36,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:36,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:24:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat