./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/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_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/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 32bit --witnessprinter.graph.data.programhash a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:10,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:10,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:10,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:10,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:10,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:10,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:10,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:10,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:10,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:10,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:10,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:10,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:10,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:10,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:10,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:10,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:10,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:10,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:10,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:10,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:10,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:10,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:10,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:10,389 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:10,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:10,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:10,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:10,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:10,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:10,392 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:10,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:10,392 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:10,393 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_4303fa57-c656-4d00-9602-f9ec5c5e4abe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 [2023-11-19 03:05:10,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:10,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:10,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:10,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:10,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:10,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2023-11-19 03:05:13,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:14,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:14,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2023-11-19 03:05:14,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/data/d4f075305/0ed7d2a7319e407cbc12e97a17f6b22f/FLAG1f95992bb [2023-11-19 03:05:14,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/data/d4f075305/0ed7d2a7319e407cbc12e97a17f6b22f [2023-11-19 03:05:14,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:14,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:14,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:14,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:14,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:14,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d8615e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14, skipping insertion in model container [2023-11-19 03:05:14,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:14,277 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_4303fa57-c656-4d00-9602-f9ec5c5e4abe/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2023-11-19 03:05:14,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:14,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:14,318 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_4303fa57-c656-4d00-9602-f9ec5c5e4abe/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2023-11-19 03:05:14,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:14,340 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:14,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14 WrapperNode [2023-11-19 03:05:14,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:14,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:14,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:14,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:14,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,373 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 03:05:14,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:14,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:14,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:14,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:14,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:14,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:14,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:14,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:14,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:14,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:14,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:14,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4303fa57-c656-4d00-9602-f9ec5c5e4abe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:14,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:14,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:05:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:05:14,590 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:14,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:14,749 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:14,801 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:14,813 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:14,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:14 BoogieIcfgContainer [2023-11-19 03:05:14,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:14,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:14,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:14,834 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:14,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:05:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:05:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:14,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:14,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:15,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:05:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:05:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:15,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:15,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:05:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:05:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:15,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:05:15,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:05:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:05:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:15,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:15,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:15,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:15,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 03:05:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 03:05:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:05:16,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:16,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:16,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:16,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-11-19 03:05:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 03:05:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:05:17,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:17,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:17,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:17,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-11-19 03:05:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-19 03:05:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:05:18,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:18,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:18,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:18,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-11-19 03:05:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-11-19 03:05:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:05:18,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:18,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:18,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:18,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 03:05:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 03:05:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:19,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2023-11-19 03:05:20,076 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2023-11-19 03:05:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:20,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:20,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:05:20,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 130 transitions. [2023-11-19 03:05:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 130 transitions. [2023-11-19 03:05:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:21,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:21,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:05:21,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 56 states and 131 transitions. [2023-11-19 03:05:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 131 transitions. [2023-11-19 03:05:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:22,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:22,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:05:22,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:05:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 58 states and 132 transitions. [2023-11-19 03:05:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 132 transitions. [2023-11-19 03:05:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:22,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:22,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:23,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:05:23,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 131 transitions. [2023-11-19 03:05:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2023-11-19 03:05:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:05:23,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:23,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:23,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:05:23,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2023-11-19 03:05:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2023-11-19 03:05:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:05:26,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:05:26,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 70 states and 174 transitions. [2023-11-19 03:05:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 174 transitions. [2023-11-19 03:05:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:26,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:05:26,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 190 transitions. [2023-11-19 03:05:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 190 transitions. [2023-11-19 03:05:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:28,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:28,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:28,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:05:28,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 76 states and 191 transitions. [2023-11-19 03:05:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 191 transitions. [2023-11-19 03:05:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:29,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:05:29,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 80 states and 213 transitions. [2023-11-19 03:05:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2023-11-19 03:05:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:30,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:30,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:05:30,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 82 states and 214 transitions. [2023-11-19 03:05:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 214 transitions. [2023-11-19 03:05:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:31,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:31,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:05:31,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 84 states and 215 transitions. [2023-11-19 03:05:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 215 transitions. [2023-11-19 03:05:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:32,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:32,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:32,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:05:32,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 88 states and 238 transitions. [2023-11-19 03:05:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 238 transitions. [2023-11-19 03:05:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:05:33,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:33,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:33,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:05:33,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 88 states and 237 transitions. [2023-11-19 03:05:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 237 transitions. [2023-11-19 03:05:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:05:33,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:33,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:05:34,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:05:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 98 states and 288 transitions. [2023-11-19 03:05:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 288 transitions. [2023-11-19 03:05:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:05:37,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:37,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:05:37,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:05:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 102 states and 291 transitions. [2023-11-19 03:05:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 291 transitions. [2023-11-19 03:05:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:05:39,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:39,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:05:39,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:05:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 104 states and 293 transitions. [2023-11-19 03:05:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 293 transitions. [2023-11-19 03:05:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:40,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:41,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:05:41,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:05:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 108 states and 313 transitions. [2023-11-19 03:05:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 313 transitions. [2023-11-19 03:05:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:43,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:43,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:05:43,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 110 states and 314 transitions. [2023-11-19 03:05:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 314 transitions. [2023-11-19 03:05:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:44,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:44,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:44,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:44,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 114 states and 342 transitions. [2023-11-19 03:05:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 342 transitions. [2023-11-19 03:05:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:45,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:05:46,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 116 states and 343 transitions. [2023-11-19 03:05:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 343 transitions. [2023-11-19 03:05:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:47,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:05:47,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:05:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 118 states and 344 transitions. [2023-11-19 03:05:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 344 transitions. [2023-11-19 03:05:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:49,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:49,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:05:49,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:05:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 120 states and 345 transitions. [2023-11-19 03:05:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 345 transitions. [2023-11-19 03:05:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:50,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:50,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:50,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:50,691 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 124 states and 374 transitions. [2023-11-19 03:05:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 374 transitions. [2023-11-19 03:05:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:52,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:52,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 124 states and 373 transitions. [2023-11-19 03:05:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 373 transitions. [2023-11-19 03:05:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:53,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:53,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:53,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 124 states and 372 transitions. [2023-11-19 03:05:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 372 transitions. [2023-11-19 03:05:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:05:53,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:53,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:05:53,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:05:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 134 states and 435 transitions. [2023-11-19 03:05:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 435 transitions. [2023-11-19 03:05:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:05:59,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:59,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:59,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:05:59,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:06:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 138 states and 438 transitions. [2023-11-19 03:06:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 438 transitions. [2023-11-19 03:06:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:06:01,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:01,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:06:01,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:06:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 140 states and 439 transitions. [2023-11-19 03:06:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 439 transitions. [2023-11-19 03:06:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:06:02,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:02,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:06:02,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:06:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 142 states and 441 transitions. [2023-11-19 03:06:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 441 transitions. [2023-11-19 03:06:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:06:03,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:03,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:06:03,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:06:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 144 states and 443 transitions. [2023-11-19 03:06:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 443 transitions. [2023-11-19 03:06:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:06:04,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:04,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:04,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:06:04,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.