./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:06,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:06,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:03:06,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:06,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:06,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:06,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:06,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:06,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:06,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:06,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:06,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:06,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:06,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:06,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:06,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:06,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:06,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:06,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:06,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:06,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:06,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:06,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:06,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:06,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:06,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:06,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:06,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:06,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:06,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:06,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:06,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:06,387 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_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a [2023-11-23 20:03:06,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:06,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:06,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:06,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:06,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:06,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2023-11-23 20:03:10,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:10,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:10,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2023-11-23 20:03:10,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/data/506820554/fcd3218b108e48babd8943e93f8eccf3/FLAG0842aeab6 [2023-11-23 20:03:10,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/data/506820554/fcd3218b108e48babd8943e93f8eccf3 [2023-11-23 20:03:10,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:10,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:10,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:10,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:10,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:10,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:10" (1/1) ... [2023-11-23 20:03:10,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2168ef06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:10, skipping insertion in model container [2023-11-23 20:03:10,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:10" (1/1) ... [2023-11-23 20:03:10,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:11,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:11,278 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:11,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:11,368 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:11,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11 WrapperNode [2023-11-23 20:03:11,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:11,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:11,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:11,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:11,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,425 INFO L138 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-23 20:03:11,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:11,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:11,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:11,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:11,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:11,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:11,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:11,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:11,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:11,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:11,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b95fd2-60bc-48a5-a8d8-b3b03b6ac332/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:11,685 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:11,688 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:11,866 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:11,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:11,927 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:03:11,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:11 BoogieIcfgContainer [2023-11-23 20:03:11,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:11,931 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:11,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:11,944 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:11,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:11" (1/1) ... [2023-11-23 20:03:11,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-23 20:03:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-23 20:03:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:03:12,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:12,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-23 20:03:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-23 20:03:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:12,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:12,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-23 20:03:14,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-23 20:03:14,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:03:14,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:14,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-23 20:03:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-23 20:03:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:16,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:16,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-23 20:03:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-23 20:03:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:03:17,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-23 20:03:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-23 20:03:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:03:22,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:22,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 95 transitions. [2023-11-23 20:03:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-23 20:03:24,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:03:24,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2023-11-23 20:03:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2023-11-23 20:03:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:03:28,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:28,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2023-11-23 20:03:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-23 20:03:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:03:33,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2023-11-23 20:03:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2023-11-23 20:03:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:03:35,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:35,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:03:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 71 states and 143 transitions. [2023-11-23 20:03:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2023-11-23 20:03:37,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:03:37,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:37,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 79 states and 161 transitions. [2023-11-23 20:03:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 161 transitions. [2023-11-23 20:03:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:03:43,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 86 states and 181 transitions. [2023-11-23 20:03:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2023-11-23 20:03:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:03:49,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 90 states and 191 transitions. [2023-11-23 20:03:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 191 transitions. [2023-11-23 20:03:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:52,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 98 states and 218 transitions. [2023-11-23 20:03:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2023-11-23 20:03:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:59,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.