./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL --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 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:05,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:06,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:05:06,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:06,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:06,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:06,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:06,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:06,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:06,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:06,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:06,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:06,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:06,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:06,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:06,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:06,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:06,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:06,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:06,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:06,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:06,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:06,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:06,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:06,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:06,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:06,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:06,090 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:06,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:06,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:06,092 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_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 [2023-11-19 03:05:06,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:06,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:06,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:06,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:06,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:06,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-11-19 03:05:09,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:10,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:10,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-11-19 03:05:10,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/data/f37c31356/a0395c499f054bb3a2aaa5c67efccf04/FLAG9e0d03e04 [2023-11-19 03:05:10,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/data/f37c31356/a0395c499f054bb3a2aaa5c67efccf04 [2023-11-19 03:05:10,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:10,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:10,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:10,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:10,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:10,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:10,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6d99a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10, skipping insertion in model container [2023-11-19 03:05:10,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:10,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:10,386 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_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-11-19 03:05:10,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:10,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:10,742 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_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-11-19 03:05:10,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:10,900 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:10,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10 WrapperNode [2023-11-19 03:05:10,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:10,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:10,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:10,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:10,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,329 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2729 [2023-11-19 03:05:11,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:11,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:11,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:11,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:11,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:11,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:11,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:11,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:11,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:10" (1/1) ... [2023-11-19 03:05:11,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:11,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:11,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:11,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196d971d-afc3-4ec3-a4c2-52e0ddc10e27/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:12,170 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:12,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:14,864 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:19,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:19,242 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 03:05:19,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:19 BoogieIcfgContainer [2023-11-19 03:05:19,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:19,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:19,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:19,262 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:19,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:19" (1/1) ... [2023-11-19 03:05:19,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-19 03:05:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-19 03:05:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:05:19,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:22,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-19 03:05:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 03:05:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:05:22,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:22,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:23,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 03:05:23,172 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 03:05:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:05:23,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:23,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 03:05:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 03:05:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:05:24,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:24,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-11-19 03:05:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-19 03:05:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:05:25,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-11-19 03:05:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-19 03:05:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:26,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-19 03:05:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 03:05:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:05:27,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-19 03:05:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 03:05:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:05:28,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-11-19 03:05:29,836 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-19 03:05:29,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:05:29,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-11-19 03:05:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-19 03:05:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:05:30,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-19 03:05:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 03:05:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:05:31,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:31,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-19 03:05:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 03:05:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:05:32,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-19 03:05:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:05:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:05:33,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-19 03:05:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 03:05:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:34,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:34,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-19 03:05:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-19 03:05:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:05:35,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:35,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-19 03:05:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 03:05:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:05:36,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:05:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-11-19 03:05:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-19 03:05:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:05:37,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.